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iPhone Keeps Restarting Randomly in 2025, The Most Common Causes and When It’s a Battery or Board Fault

Your iPhone is fine one minute, then it goes black, shows the Apple logo, and comes back like nothing happened. If your iPhone keeps restarting in 2025, you’re not alone, and you’re not imagining it.

The good news is this: most random restarts come down to software glitches or a tired battery, not a dead phone. A logic board fault does happen, but it’s usually the “after we’ve ruled everything else out” answer.

I’m James Waterston, and I repair these day in, day out at Repair My Crack. Here’s how to tell what’s going on, what you can try at home, and when it’s time for an iPhone battery replacement or a deeper board-level fix.

Why an iPhone keeps restarting in 2025 (what I’m seeing in the workshop)

Random restarts aren’t one single fault. Think of it like a car that stalls: fuel, electrics, overheating, or a dodgy sensor can all cause the same annoying outcome.

In late 2025, I’ve seen three patterns most often:

  • iOS bugs after updates: Some users report reboots when the phone is locked, sometimes tied to Wi-Fi. There’s an example thread on Apple’s forum about iPhone 17 Pro Max random rebooting on iOS 26 (including “AppleCentauriAlpha” mentions in logs) on Apple Support Community.
  • Battery voltage dips: A worn battery can look “fine” until the phone hits a power spike, then it reboots to protect itself.
  • Hardware interruptions: Loose flex cables, sensor faults, water residue, or damage from a drop can make the phone restart like clockwork.

Quick checks to try first (15 minutes, no tools)

Before you book in, run through these. It saves time, and sometimes it fixes it.

  • Update iOS and your apps: If it started after an update, the next patch can settle it.
  • Free up storage: When storage is packed, iOS can misbehave. Aim for a few GB free.
  • Remove the last app you installed: Especially if it’s a VPN, cleaner app, or anything “battery booster-ish”.
  • Swap the charger and cable: A flaky cable can trigger weird power behaviour, especially if restarts happen while charging.
  • Check heat: If the phone is hot (gaming, sat in a car, thick case), let it cool. Overheating can force restarts.

If you want a deeper clue, look at panic logs. They can hint whether it’s power, sensors, or board. A practical starting point is this repair guide style write-up: How To Fix an iPhone 14 Pro That Randomly Restarts.

Signs it’s a battery fault (the most common cause)

If you ask me to bet on one cause when an iPhone keeps restarting, I’ll pick the battery more often than not.

Typical battery-related restart signs:

1) It restarts under load: Camera, games, sat-nav, video calls, or even just opening a heavy app.

2) It’s worse at low percentages: You drop from 30% to reboot, then it comes back at 28% like nothing happened.

3) It behaves oddly on charge: Restarting when plugged in, or only when using a fast charger.

4) Battery Health is poor: Settings → Battery → Battery Health. If Maximum Capacity is low (often under 80%), that’s a big hint.

What you can do if it looks like the battery

A proper iPhone battery replacement is usually the sensible first repair. In the UK, a phone battery replacement UK cost varies by model and whether you go manufacturer or independent. As a rough guide, Apple out-of-warranty pricing is often around £49 to £89, and independents can be less, depending on parts and model.

If you’re local, we see plenty of customers searching for iPhone battery replacement Essex because they just want it sorted quickly, without faff.

When it’s a board fault (or a small part that behaves like one)

A “board fault” sounds dramatic, but it can mean different things:

  • True logic board damage (power management issues, micro-cracks after drops).
  • Liquid damage corrosion that’s slowly causing shorting.
  • A smaller part or flex (sensor, charge flex, proximity flex) that iOS expects to see, and restarts if it can’t.

Board-leaning symptoms I take more seriously:

Restarts on a timer: Every 2 to 5 minutes, like clockwork, even on the home screen.

Restarts after a drop or water: Even if the screen looks fine.

It started after an iPhone screen replacement: If a flex isn’t seated right, or a part is damaged, it can trigger reboots. This is why quality fitting matters as much as the part itself.

Panic logs point to hardware: Not always easy to read, but repeated hardware references are a clue. For general troubleshooting steps, this guide is a solid overview: How to Fix an iPhone That Keeps Restarting.

Water and charging faults can trigger restarts too

If there’s moisture involved, you want proper diagnostics, not rice. We do water damaged phone repair UK diagnostics (cleaning, inspection, testing), because corrosion doesn’t always show up on day one.

And yes, power issues matter. A broken charging port repair or phone not charging repair can link to restart problems if the phone’s power path is unstable.

If your phone also has a cracked screen, don’t ignore it

A cracked screen isn’t just cosmetic. It can let dust and moisture in, and on some models it can also affect sensors that the phone needs to behave normally.

If you’re trying to fix cracked iPhone screen damage and you’re also getting reboots, get both checked together. People often ask me, is it worth repairing a cracked iPhone screen rather than upgrading. If the phone is otherwise solid, repairing is usually cheaper than replacing the whole handset, and you keep your data and setup.

Here’s what customers usually want to know:

  • iPhone screen replacement cost UK: commonly around £80 to £350 depending on model (older LCD models cost less, newer OLED models cost more). Exact quotes depend on the device and part grade.
  • how long does phone screen repair take UK: many screen jobs can be same-day once the parts are ready and the phone arrives, but I always say allow time for testing (restarts can be sneaky).
  • alternatives to Apple Store screen repair UK: reputable independent repairers can be a good option, especially if you want faster turnaround, a price promise, or postal service. Just avoid the too-cheap, no-warranty places.

For local searches, we regularly help with phone screen repair Essex, iPhone screen repair Essex, iPhone repair Essex, plus mobile phone repairs Essex for all the usual mishaps. We also do cracked screen repair UK-wide via post.

Don’t forget Samsung: random restarts happen there too

While this post is iPhone-focused, I see plenty of Samsung handsets with similar symptoms (power dips, charging faults, overheating, and occasional board issues). If you’re looking for Samsung Phone repair or Samsung Repairs, the same rule applies: start with the basics, then test battery and power rails properly.

Customers often ask about pricing:

  • Samsung screen replacement cost UK: typically wide-ranging (often £90 to £350+) depending on model, because many Samsung screens are supplied as assemblies.

And yes, we get lots of enquiries for Samsung phone repair Essex and Samsung screen repair Essex, especially after a drop or a charging issue.

How we fix random restart issues at Repair My Crack (Essex and UK post-in)

If you’re stuck, we can take the guesswork out of it. At Repair My Crack phone repair we start with diagnostics, then quote based on what we actually find, not what we hope it is.

You’ve got options:

Local: drop-off style service for mobile phone repairs Essex, including iPhone repairs and Samsung Phone repair jobs.

By post: postal phone repair UK service (also searched as phone repair by post UK). Book online, pack the phone securely with your order number, and include passcodes if needed for testing (or create a temporary one).

We also support people who want affordable phone repairs UK without sacrificing quality. And for peace of mind, look for phone repair with warranty UK services. You’ll even see some places advertise lifetime warranty phone repairs, so always read what it covers. We provide a clear repair warranty on parts and labour.

We also help companies with (as customers often search it) business mobile phone repairs UK. business laptop and tablet repairs. trusted phone repair service UK, because downtime costs money.

If you’re the type who checks feedback first, fair play. Plenty of customers come to us after reading Repair My Crack reviews. best phone repair shop in Essex, then just want a straight answer and a working phone.

Quick FAQ: iPhone keeps restarting

Should I factory reset?

Only after you’ve backed up. If it’s hardware, a reset often won’t change a thing, but it can help rule out software.

Is it usually the battery or the board?

Most of the time it’s the battery. Board faults are less common, but more likely after drops, liquid, or poor-quality prior repairs.

Can you still repair it if it won’t stay on long?

Often, yes. We can test with known-good parts and isolate the fault even if it’s rebooting a lot.

Conclusion

If your iPhone keeps restarting, don’t assume the worst. Start with the quick checks, then take battery health seriously, because an iPhone battery replacement fixes a lot of “random reboot” phones.

If it’s pointing to a board or sensor issue (especially after a drop, liquid, or screen work), stop guessing and get proper diagnostics. If you want, you can book online with Repair My Crack and either pop in (Essex) or send it via post, and we’ll get you a clear answer and a solid repair plan.

– James Waterston, Device Repair Specialist at Repair My Crack

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iPhone “Parts and Service History” Message After a Repair, What It Means, What’s Normal, and When to Worry (UK)

You’ve just had your iPhone sorted, maybe an iPhone screen replacement after a drop on the pavement, or an iPhone battery replacement because it wouldn’t last the school run. Then you open Settings and spot something new: iPhone parts service history with a message like “Unknown Part” or “Important Display Message”. Bit unsettling, isn’t it?

Here’s the straight answer: in most cases, it’s normal and informational, not a sign your phone’s about to pack in. It’s Apple’s way of logging major components (like the display, battery, or camera) and whether iOS can verify them.

That said, there are a few messages that do deserve attention, especially if features stop working, or you see an “Issue Detected” alert.

The quick explanation (so you can stop worrying)

On iOS 15.2 and later, Apple adds a Parts and Service History section for many iPhone models. After iPhone repairs, it may show a status for a replaced part:

  • Genuine: verified as a genuine Apple part, fitted using Apple’s process.
  • Used (seen on newer iPhones with iOS 18): a genuine Apple part that previously belonged to another iPhone.
  • Unknown: iOS can’t verify the part (this can mean non-genuine, mismatched, or the phone can’t validate it).

Apple explains the feature and where to find it in its support article: About iPhone Parts and Service History.

Where to find iPhone Parts and Service History (and what it tracks)

Go to Settings → General → About. If the phone has had certain repairs, you’ll see Parts and Service History.

It doesn’t list every little job (like a speaker mesh clean), it focuses on key components that iOS can identify, typically the display, battery, and cameras (depending on model). It usually shows the most recent replacement for each part, not a full timeline.

If you don’t see the section at all, it often just means Apple hasn’t recorded a tracked part replacement on that device.

What each message means (and what’s “normal”)

Here’s the simplest way I explain it at the counter.

What you see in Parts and Service HistoryWhat it usually meansWhen to worry
GenuineVerified genuine Apple part and correct configurationRarely
UsedGenuine part, but previously installed in another iPhoneUsually fine
UnknowniOS can’t verify the part (could be aftermarket, mismatched, or not configured)Only if you also have faults
Finish Repair / Restart & Finish RepairSetup/calibration hasn’t completed yetDo it ASAP

That “Unknown” label is the one that sends people into a spiral. In real life, plenty of phones run perfectly with it. The message is more like a label on a suitcase that says “not packed by the airline”.

For displays, Apple also has a useful page on what makes a screen “genuine” and why it matters for things like brightness, colour, and True Tone: About genuine iPhone displays.

Screen and battery repairs: what’s acceptable, and what isn’t

After an iPhone screen replacement

If you see “Unknown” after you fix cracked iPhone screen, it doesn’t automatically mean it’s a bad screen. It means iOS can’t validate it as genuine and correctly paired.

What I look for in the real world is how it behaves:

  • Touch response should be consistent across the whole panel.
  • Brightness should go properly bright in daylight.
  • Face ID should still work (screen damage can sometimes affect the earpiece area sensors).

A customer in Essex came in recently after a budget repair elsewhere. The phone worked, but the display flickered at low brightness and the Parts and Service History showed “Unknown”. In that case, the message wasn’t the issue, the symptoms were.

After an iPhone battery replacement

An “Unknown” battery message can pop up even when the phone charges fine. But if you also see random shutdowns, battery percentage jumping, or heat while charging, that’s when I’d re-check the part and the fitting.

If you’re searching for phone battery replacement UK options, ask what warranty is included and whether battery health reporting will behave normally afterwards. If you’re local, we do iPhone battery replacement Essex jobs every week.

When to worry (the red flags I take seriously)

Some messages are just labels. Others point to a fault that affects core features.

Pay attention if you see:

  • “Issue Detected” messages (for Face ID, mobile data, Apple Pay, and similar).
  • A part shows as Unknown and the phone misbehaves (ghost touches, camera failures, sudden restarts).
  • “Finish Repair” sits there for days, or the button fails to complete.

Also watch out for repair-related problems that aren’t Apple-message related at all, like broken charging port repair needs, or a classic phone not charging repair situation. Those can happen from pocket lint, drops, or liquid exposure, even if the screen and battery are fine.

If your handset has been in the sink, the right next step is diagnosis, not hope. water damaged phone repair UK is all about acting quickly, drying it properly, and checking for corrosion before it spreads.

Will the message affect resale value or future repairs?

In the UK, it can affect resale conversations because buyers can see the history. It’s not a deal-breaker, but it can change the price.

For future support, Apple may be more hesitant with devices showing Unknown parts, especially if that part relates to the fault you’re asking them to fix. Tech sites have covered the rollout of the feature and why Apple introduced it, including this TechRadar explainer and PCMag’s overview.

Repair choices in Essex and across the UK (without the faff)

If you want alternatives to Apple Store screen repair UK, you’ve got a few routes: local workshops, authorised providers, and reputable independents.

At Repair My Crack, we cover mobile phone repairs Essex (including phone screen repair Essex, iPhone repair Essex, and iPhone screen repair Essex) and we also help customers nationwide with postal phone repair UK (also called phone repair by post UK). We aim to start work as soon as your device arrives, often the same day, then get it safely back to you.

We also don’t just do iPhones. We handle Samsung Phone repair and Samsung Repairs, including Samsung phone repair Essex and Samsung screen repair Essex. If you’re comparing iPhone screen replacement cost UK with Samsung screen replacement cost UK, the honest answer is it depends on the model and screen type. Older models can be under £100, flagship OLED screens can be £200 to £350+.

If you run a company fleet, we can also help with: business mobile phone repairs UK. business laptop and tablet repairs. trusted phone repair service UK.

A quick checklist after any repair

Do this before you throw the receipt in a drawer:

  • Update iOS, then check Settings → General → About → Parts and Service History.
  • If you see Restart & Finish Repair, tap it and follow the prompts.
  • Test Face ID, cameras, speakers, mic, WiFi, mobile signal, and charging.
  • If it’s a screen job, check brightness, touch across the edges, and True Tone.
  • If it’s a battery job, monitor standby time for a day, not five minutes.

FAQ (real questions I hear all the time)

is it worth repairing a cracked iPhone screen?

Often, yes. A good repair is usually far cheaper than replacing the whole phone, and it keeps your data and setup intact. The only time I’m cautious is when the phone is badly bent, water-damaged, or has multiple faults.

how long does phone screen repair take UK?

In-shop, many screen jobs can be done the same day (often within a couple of hours) depending on the model and parts availability. With post-in repairs, turnaround depends on delivery times, but we aim to move quickly once it lands with us.

Does “Unknown Part” mean the repair is rubbish?

Not always. It means iOS can’t verify the part. Judge it on performance and warranty support. Look for phone repair with warranty UK providers, and be wary of vague promises like lifetime warranty phone repairs without clear terms.

Do you only do iPhones?

No. We cover mobile phone repair UK work on iPhone and Samsung, plus tablets and computers. If you need cracked screen repair UK support, battery work, or charging faults, we can advise and quote.

Conclusion

That iPhone parts service history message is usually just your iPhone being chatty about what’s been replaced. “Genuine” is ideal, “Used” is normally fine, and “Unknown” is only a real concern when it comes with performance problems.

If you’re unsure what your message means, or you want a repair done with proper testing and a clear warranty, book in with Repair My Crack phone repair. People often find us by searching Repair My Crack reviews. best phone repair shop in Essex, and we’ll do our best to keep your repair simple, quick, and drama-free.

– James Waterston, Device Repair Specialist at Repair My Crack

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iPhone Screen Black but You Can Hear Notifications, What It Usually Means and What a Proper Repair Checks (UK)

Your iPhone buzzes, pings, maybe even rings, but the display is just… black. It’s a bit of a nightmare, because you know the phone’s alive, yet you can’t unlock it to do anything useful.

In most cases, an iPhone black screen with notification sounds means one of two things: the software has crashed hard, or the display side of the phone (screen, backlight, or the connector) has failed. Either way, it’s often fixable, and you don’t always need a new handset.

I’m James Waterston, in-house repair specialist at Repair My Crack, and here’s what this symptom usually points to, what you can check at home, and what we check in a proper workshop repair.

What it usually means when your iPhone screen is black but the phone still works

When you can hear notifications, Siri responds, or you feel vibration, the iPhone is booted and running. So the “brain” is on, but the “window” is shut.

Common causes I see on the bench:

1) A frozen system (software crash)
After an update, a full storage issue, or a glitchy app, the phone can lock up with the display stuck off. It can look like a dead phone, but it isn’t.

2) Display or backlight failure (even if the glass isn’t cracked)
Modern iPhones use a display assembly where the backlight and image driver are part of the screen system. A drop can damage it internally without leaving obvious marks. If you’re thinking “but there’s no crack”, that doesn’t rule it out. This is where an iPhone screen replacement (or targeted screen repair) comes in.

3) Loose or damaged display connector
A sharp impact can partially unseat the screen connector. The phone runs, but the screen doesn’t show anything.

4) Power or battery issues that only show up under load
A tired battery can cause odd behaviour, including black-screen boot loops. Sometimes it ends up being an iPhone battery replacement (and yes, we do iPhone battery replacement Essex jobs daily).

5) Liquid damage
Moisture can kill the backlight line or corrode connectors. This is a classic case for water damaged phone repair UK diagnostics.

If you want Apple’s official steps for a black screen, their guide is solid: Apple’s “screen is black” checks.

Safe checks to try before booking a repair

You don’t need special tools for the first round of checks. Keep it gentle. If the screen’s truly dead, pressing harder won’t help.

Try these in order:

  • Force restart (this fixes a lot of “stuck” iPhones). Follow Apple’s steps above for your model.
  • Charge properly for 30 to 60 minutes using a known-good cable and plug, not a laptop USB port. A weak power source can mimic a fault. If you suspect a port issue, that becomes a phone not charging repair or broken charging port repair job.
  • Listen and feel: does it vibrate when you flick the silent switch (older models) or receive a call? That suggests the phone is running.
  • Call the phone from another device. If it rings, the iPhone is on. The screen side is the problem.
  • Connect to a computer. If Finder/iTunes detects it, again, the phone is alive.
  • Check for a faint image in a dark room with a torch angled at the screen. If you can just about see icons, the backlight has likely failed.

If you’ve dropped it and the symptoms match, you’ll find a lot of community troubleshooting discussions like this one helpful for context: iFixit thread on black screen with notifications.

If none of the checks bring it back, stop there. Repeated hard resets and random chargers just add variables.

What a proper repair checks (and what we won’t guess at)

When someone brings in an iPhone with a black screen but sound, I treat it like a detective job. The goal is to confirm the fault before fitting parts, because guessing gets expensive.

Here’s what we check in the workshop:

Screen and backlight health
We test with a known-good display to confirm whether it’s a screen assembly fault (often solved with iPhone screen replacement, and for Samsung it’s a Samsung Phone repair or Samsung Repairs screen job). If the phone works with a test screen, you’re usually looking at iPhone repairs that are straightforward.

Connector and board inspection
If a test screen doesn’t light, we inspect the display connector area for damage, bent pins, or impact marks. With liquid exposure, we do proper corrosion checks as part of water damaged phone repair UK.

Charging and power stability
A phone that’s on but unstable can still present as “black screen”. We check charge draw, port condition, and whether the device is restarting. This is where phone battery replacement UK (or iPhone battery replacement) can be the real fix.

Data and function checks
We’ll confirm touch, Face ID/TrueDepth behaviour (where possible), speaker/mic, and sensors. That matters because you might come in for a screen, but a second issue can be hiding.

We also explain your options clearly, including alternatives to Apple Store screen repair UK if you want faster turnaround, a sharper price, or a repair-by-post setup.

Repair choices in the UK, including Essex walk-ins and repair by post

The big question after diagnosis is usually cost and timing.

How long does phone screen repair take UK?
If it’s a standard screen and the phone has no extra faults, we aim to turn it around quickly, often same day once the device arrives and parts are ready. With postal jobs, turnaround depends on delivery times and the fault.

iPhone screen replacement cost UK and Samsung screen replacement cost UK vary a lot by model (an iPhone SE is not an iPhone 15 Pro, and a Galaxy A series is not a Galaxy S Ultra). As a rough guide, you’re often looking at anywhere from £60 to £350+ for screens, and £45 to £120 for batteries, but we quote properly once we know the exact model and fault.

If you’re in our area, we handle mobile phone repairs Essex, phone screen repair Essex, iPhone repair Essex, and iPhone screen repair Essex daily. We also cover Samsung phone repair Essex and Samsung screen repair Essex (plus Samsung Phone repair Essex for people searching that exact wording).

Not local? We offer postal phone repair UK service, also known as phone repair by post UK, so you can get a mobile phone repair UK without travelling. Package the phone securely, include your order number, and we aim to start work as soon as it arrives.

If your real issue is physical damage, we can also help with cracked screen repair UK work and advise on whether to fix cracked iPhone screen damage or replace the whole assembly.

And if you’re weighing it up, the honest answer to is it worth repairing a cracked iPhone screen is usually yes if the phone is otherwise solid, and the repair cost is well under the price of a decent replacement handset.

Quick FAQ people ask me at the counter

Is it always a screen fault?

No. It’s often the display, but I also see battery and charging issues. If it won’t charge, it may be phone not charging repair rather than a screen.

Can you still recover photos with a black screen?

Often, yes. If the phone is detected by a computer, we can advise on safe backup steps before repair.

Do you offer a warranty?

Look for phone repair with warranty UK providers and read the terms. You’ll also see adverts for lifetime warranty phone repairs, but always check what’s actually covered. At Repair My Crack, we supply quality parts and include a clear repair warranty for peace of mind.

Getting it sorted with Repair My Crack

If your iPhone black screen issue is stopping you getting through the day, you don’t have to guess the cause. We’ll diagnose it properly, explain what failed, and only then recommend the right fix, whether that’s an iPhone screen replacement, an iPhone battery replacement, or a charging-port repair.

You can book online with Repair My Crack, and if you’re not nearby, use our postal phone repair UK option. We also support teams who need “business mobile phone repairs UK. business laptop and tablet repairs. trusted phone repair service UK”, just ask for a business quote.

If you’re currently scrolling reviews, I’ll say this: “Repair My Crack phone repair” work should be consistent, transparent, and backed by real feedback. When you’re checking “Repair My Crack reviews. best phone repair shop in Essex”, focus on details like turnaround, communication, and warranty support.

– James Waterston, Device Repair Specialist at Repair My Crack

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iPhone Keeps Losing Signal Indoors but Works Outside, SIM, eSIM, and Antenna Checks Before You Book a Repair (UK, 2026)

If your iphone losing signal indoors is becoming a daily pain, you’re not imagining it. I see this a lot, phones that are fine outdoors, then turn into a moody brick the moment you step into the kitchen, the office, or the local supermarket.

Here’s the straight answer: when an iPhone works outside but drops signal indoors, it’s usually down to weaker indoor coverage plus one extra issue (SIM/eSIM setup, network settings, or a tired antenna connection). The good news is you can rule out the simple stuff in 10 to 20 minutes before spending money.

I’m James Waterston from Repair My Crack, and below is the same checklist I’d run at the counter before recommending iPhone repairs.

What “works outside, not indoors” normally points to

Indoors, your phone’s signal has to fight through brick, foil-backed insulation, metal frames, double glazing, even some tinted windows. Outside, the same mast suddenly looks “closer” because there’s less in the way.

That said, the pattern can hint at what’s going on:

What you noticeWhat it often meansWhat to try first
Full bars outdoors, “No Service” indoorsWeak indoor coverage, Wi-Fi Calling off, or network settings glitchWi-Fi Calling, restart, network reset
Signal drops when you hold phone a certain wayAntenna contact issue or internal flex/connectorRemove case, test, consider inspection
Only one SIM line is affected (Dual SIM)eSIM profile or plan issueToggle line, re-add eSIM, carrier check
Gets worse after a drop or liquid spillAntenna module or board-level damageStop guesswork, book diagnostics

Before you assume it’s the handset, check the obvious: does a friend on the same network get signal in the same room? If they do, your iPhone setup (or hardware) is more likely.

SIM and eSIM checks that fix more issues than you’d think

A flaky SIM or an eSIM profile can behave perfectly in strong coverage, then fall apart indoors where the signal’s already marginal.

Physical SIM: quick checks

  • Take the SIM out, wipe it gently with a dry microfibre cloth, re-seat it firmly.
  • If you’ve got access to another handset, test your SIM in it for 10 minutes indoors.
  • If your iPhone supports it, try a different SIM in your phone. If the problem follows the SIM, it’s probably the SIM or the account, not the iPhone.

If the SIM is old, scratched, or has been swapped between phones for years, ask your network for a replacement SIM.

eSIM: the common gotchas

eSIM problems are often software or provisioning rather than “broken phone”. If your bars vanish or your line looks active but won’t hold signal, check your eSIM line is switched on and set as the correct default for calls and data.

If you’re stuck, it can help to compare your symptoms with real-world cases like this Apple Support Community eSIM thread, because it highlights how messy dual line settings can get after updates or travel.

For step-by-step eSIM troubleshooting (activation, plan issues, missing service), this eSIM not working guide from Orange is a solid reference.

iPhone settings to check before blaming the antenna

If I had a quid for every time a setting was the culprit, I’d have a bigger soldering station.

Do the “basic three” properly

  1. Restart the iPhone (not just lock and unlock).
  2. Toggle Airplane Mode on for 10 seconds, then off.
  3. Check Carrier Settings Update (it pops up sometimes, but you can also look in Settings, General, About).

Turn on Wi‑Fi Calling (the indoor lifesaver)

If your indoor mobile signal is weak but your Wi-Fi is decent, Wi‑Fi Calling can stop the dropouts. Go to Settings, Mobile Service, Wi‑Fi Calling (wording varies by network) and switch it on. Make a test call.

Check 5G/4G behaviour

Some areas have strong 4G indoors but patchy 5G penetration (or the other way around). Try switching Voice and Data between 5G Auto and 4G for a day and see if the indoor behaviour changes. Don’t overthink it, you’re just looking for a clear pattern.

Reset Network Settings (last software step)

Settings, General, Transfer or Reset iPhone, Reset, Reset Network Settings. You’ll lose saved Wi-Fi passwords, so have them handy.

If mobile data is acting up at the same time as signal, this cellular data troubleshooting guide from Ubigi is a helpful checklist to make sure nothing simple is being missed.

When it’s likely hardware: antenna, housing, or damage after a drop

If the issue started after a knock, a bend, water exposure, or a previous repair, hardware moves up the list fast.

Here are the hardware clues I take seriously:

  • The phone shows searching for ages in multiple indoor locations.
  • Signal changes when you press the frame or hold the phone differently.
  • Bluetooth and Wi-Fi also feel erratic (sometimes points to internal shielding or board issues).
  • It got worse after fix cracked iPhone screen jobs elsewhere (a mis-seated antenna flex is more common than people realise).

This is also where “cheap parts” can bite. A poor-quality frame, screen, or seal can affect how things sit internally. It’s why we stick to quality parts and proper fitting.

If you’re in Essex, we see this alongside all sorts: iPhone repair Essex, iPhone screen repair Essex, iPhone screen replacement, iPhone battery replacement, iPhone battery replacement Essex, plus phone screen repair Essex for the everyday drops.

And it’s not just Apple. We handle Samsung Phone repair, Samsung Repairs, Samsung phone repair Essex, and Samsung screen repair Essex as well.

A quick word on costs (because everyone asks)

Signal faults can be anything from a connector reseat to board work, so it’s quote-after-diagnosis. But while you’re here, these are the cost questions I hear most:

  • iPhone screen replacement cost UK: depends on model and screen type, ask for a proper quote.
  • Samsung screen replacement cost UK: varies a lot by model, especially on curved OLED screens.
  • phone battery replacement UK: usually far less than upgrading your handset.

If you’re weighing options, people often search alternatives to Apple Store screen repair UK, especially when they want faster turnaround or a better price.

We also fix the other everyday headaches: broken charging port repair, phone not charging repair, and water damaged phone repair UK (water damage needs proper diagnostics, not rice and hope).

How to book a repair (Essex or postal) without the faff

If the checks above don’t change anything, it’s time to stop guessing. At Repair My Crack, we offer affordable phone repairs UK with a price promise, and we aim to start work quickly once the device arrives. For many customers it’s easier to use our postal phone repair UK option (also searched as phone repair by post UK).

A few practical tips before posting:

  • Back up your iPhone (iCloud or computer).
  • Include your order number in the box.
  • Pack it well, snug, no rattling.
  • If the phone’s locked to a carrier or has an eSIM issue, tell us in the notes so we can test properly.

You can get started via our site: book a repair with Repair My Crack.

For peace of mind, always look for phone repair with warranty UK, and read the wording carefully. Some places advertise lifetime warranty phone repairs, but terms vary, so check what’s actually covered.

If you’re searching around, you’ll see phrases like “Repair My Crack phone repair” and “Repair My Crack reviews. best phone repair shop in Essex”. Reviews matter, but so does a clear diagnostic process.

We also support companies with business mobile phone repairs UK. business laptop and tablet repairs. trusted phone repair service UK, because downtime costs more than the repair.

Quick FAQ from the repair bench

Is it worth repairing a cracked iPhone screen?

For most modern iPhones, is it worth repairing a cracked iPhone screen comes down to resale value and safety. A cracked screen can cut fingers, let moisture in, and stress the display. If the phone is otherwise solid, repair usually makes sense.

How long does phone screen repair take UK?

People ask how long does phone screen repair take UK because they need their phone for banking and work. In many cases we can do same-day repairs once the device is with us, but it depends on model and parts availability.

Can poor signal be linked to battery problems?

Sometimes. A failing battery can cause random restarts and weird radio behaviour. If your iPhone also drops percentage fast, an iPhone battery replacement can stabilise things.

Getting your indoor signal sorted, the sensible way

When your iphone losing signal indoors but behaving outside, start with SIM/eSIM and settings, then move to hardware checks if nothing changes. It’s like checking the tyres before rebuilding the engine, boring, but it saves time and money.

If you’re stuck, bring it in or post it to us, and we’ll diagnose it properly and talk you through the options, no pressure.

– James Waterston, Device Repair Specialist at Repair My Crack

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iPhone Battery Draining Overnight in 2026 (UK), The Fast Checks That Tell You if It’s Software or a Battery Fault

Waking up to a half-dead iPhone feels like finding a “leaky tap” you can’t see. You went to bed on 80%, you did nothing overnight, and somehow it’s sitting at 32% by breakfast.

If you’re dealing with iPhone overnight battery drain, the good news is you can usually tell what’s going on in under 10 minutes. In my day-to-day repair work, it’s most often a software hiccup (usually after an update, or an app misbehaving). When it’s hardware, the signs are pretty clear, and you can stop wasting time toggling settings.

Here are the fast checks I use at the counter, and what to do next.

The 10-minute verdict: is it software or a battery fault?

Before you change a dozen settings, run a quick reality check. Go to Settings > Battery and look at the last 24 hours (and the 10-day view if it helps). Apple’s own guide on this is worth a look if you want the official wording: Apple’s steps for fast battery drain.

Here’s how to sort “software” from “battery” quickly.

Quick checkWhat you’re looking forPoints to softwarePoints to battery or hardware
Battery Usage chartAny app draining power while “background” or “screen off”One or two clear culpritsNo obvious culprit but big drops
Battery HealthMaximum Capacity and service messagesCapacity looks healthy, drain is pattern-based“Service” message or very low capacity
HeatWarm iPhone on the bedside tableBackground activity, stuck processBattery struggling, charging circuit issue
ConsistencySame % loss every night, or randomOften app or settingRandom drops, sudden shutdowns

Two simple overnight tests (no tools needed)

Test A (software bias): Charge to 100%, leave it overnight on Wi-Fi as normal, but close all apps, and enable a Sleep Focus if you use it. A small drop can be normal, but a big drop usually means something’s running.

Test B (hardware bias): Do the same, but switch on Aeroplane Mode (Wi-Fi off too). If the drain barely changes, it’s less likely to be network chatter and more likely to be a battery or hardware issue.

If you updated iOS recently, don’t panic on day one. It’s common to see short-term drain while background tasks finish. This CNET explainer on post-update battery drain describes the “settling in” period well.

Fast software checks that usually fix iPhone overnight battery drain

When it’s software, you’re trying to answer one question: what’s working while you’re asleep?

Check 1: find the “overnight bully” app

In Settings > Battery, look for:

  • Apps with high usage when you weren’t using the phone
  • Any app showing lots of background activity overnight

If one app stands out, do the boring fix first: update it, then restart the phone. If it’s still acting up, try deleting it for a couple of nights. I’ve seen perfectly popular apps go through a bad update and batter people’s phones for a week.

Check 2: stop the usual background suspects

You don’t need to turn your iPhone into a brick, just trim the obvious stuff:

  • Background App Refresh for apps you don’t care about overnight (social, shopping, etc.)
  • Location set to “While Using” where possible
  • Mail set to fetch, not constant push (if you can live with it)

Also check if you’ve got loads of notifications waking the screen. Even quick “screen-on” moments add up.

Check 3: don’t underestimate signal and Wi-Fi

A weak signal makes phones work harder. If your bedroom is a dead zone, you might see extra drain overnight. Quick test: sleep one night with Wi-Fi calling enabled (if your network supports it), or try Aeroplane Mode once to compare.

Check 4: update iOS, but don’t chase every rumour

If you’re behind on updates, update. If you’re already on the latest, give it a couple of days after a big update before you judge it. If the drain is extreme and persistent, a backup and restore can clear out stubborn glitches.

If the battery graph shows the phone draining even when it’s “doing nothing”, it can be worth reading real-world cases. This thread on iPhone draining even when turned off is a good example of when it stops being a settings problem.

When it’s a battery or hardware issue, what repair actually helps

If your iPhone is dropping 20% to 40% overnight with no clear app culprit, or it gets warm for no reason, I start thinking iPhone battery replacement rather than settings tweaks. The same goes if it shuts down early (like dying at 20%), or the battery health is poor.

At Repair My Crack, we see it alongside other faults too: a broken charging port repair job after pocket fluff and wear, a phone not charging repair caused by a damaged dock, or a device that’s had a knock and now behaves oddly. If there’s been liquid involved, you want water damaged phone repair UK diagnostics sooner rather than later, corrosion doesn’t improve with time.

For locals, we handle mobile phone repairs Essex, including iPhone repair Essex, iPhone battery replacement Essex, and iPhone screen repair Essex. We also cover the Android side, so if you’re comparing Samsung Phone repair, Samsung Repairs, Samsung phone repair Essex, or Samsung screen repair Essex, we can sort those too. (And yes, we do the classics like iPhone screen replacement and charging faults as well.)

If you’re not nearby, we offer postal phone repair UK and phone repair by post UK services. It’s a straightforward mobile phone repair UK option: book online at Repair My Crack phone repair, package the device securely, include your order number, and send it in. We aim to start work as soon as it arrives, often the same day.

Costs and expectations (UK)

Prices depend on model and parts, but as rough ballparks:

  • phone battery replacement UK is often cheaper than people expect, and it’s one of the best upgrades for a tired handset.
  • iPhone screen replacement cost UK and Samsung screen replacement cost UK vary a lot by model (OLED screens cost more), so get a proper quote.

If you’re shopping around for affordable phone repairs UK, focus on parts quality and aftercare, not just the headline price. Look for phone repair with warranty UK. You’ll also see ads for lifetime warranty phone repairs, always read the terms so you know what’s covered.

We also help businesses keep devices moving. If you’ve been searching for business mobile phone repairs UK. business laptop and tablet repairs. trusted phone repair service UK, that’s exactly the sort of work we do week in, week out.

And if you’re the type who googles reputation before anything else (fair), you might have typed: Repair My Crack reviews. best phone repair shop in Essex.

Quick FAQ: the questions I hear every week

How do I fix cracked iPhone screen if my battery is also awful?

If you need to fix cracked iPhone screen, don’t ignore the battery either. A damaged screen can cause extra wake-ups, but a worn battery won’t magically recover. We can assess both in one visit (or one post-in).

Is it worth repairing a cracked iPhone screen?

People ask is it worth repairing a cracked iPhone screen all the time. If the phone is otherwise solid, a quality repair often makes more sense than replacing the whole device. It’s also worth comparing alternatives to Apple Store screen repair UK if you want faster turnaround or different pricing.

How long does phone screen repair take UK?

For how long does phone screen repair take UK, it depends on model and part availability. Many screen jobs can be done the same day. Postal repairs add delivery time, but the repair itself is usually quick once it lands with us. We also handle phone screen repair Essex, plus cracked screen repair UK for customers further afield.

Final thought: if your iPhone loses a bit overnight, that’s normal. If iPhone overnight battery drain is hammering 20% plus every night, it’s telling you something. Run the checks above, and if it still isn’t behaving, book in and we’ll get it sorted with the right fix, whether that’s an iPhone repairs job, a battery, or something like a port replacement.

– James Waterston, Device Repair Specialist at Repair My Crack

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iPhone Stuck on “Accessory Not Supported”, What It Means, Quick Fixes, and When It’s a Charging Port Repair

That accessory not supported iPhone pop-up always seems to appear at the worst time, usually when you’re rushing out the door and your battery’s on 6%. You plug the cable in, the phone pings, and then basically says, “Nope, not today.”

The good news is it’s often something simple, a dodgy cable, lint in the port, or a quick software wobble. The less good news is that sometimes it’s your charging port (or charging circuit) waving a white flag.

I’m James Waterston, in-house device repair specialist at Repair My Crack, and here’s how I’d talk you through it across the counter.

What “Accessory Not Supported” actually means on an iPhone

Your iPhone checks what you’ve plugged in. If it doesn’t like what it sees, you get the alert. Apple’s own guidance on the warning is worth a quick look because it lines up with what we see daily in repairs: damaged accessories, non-certified cables, and problems with the port itself (dirt or damage) are the usual culprits. See Apple’s explanation of the unsupported accessory alert.

Here’s what’s normally going on:

  • The cable or accessory isn’t certified: Some third-party cables are fine, some are… not. If the internal chip in the cable is poor quality, the iPhone may reject it.
  • The cable is worn out: The ends get bent, the pins get dirty, and the connection becomes hit-and-miss.
  • Your charging port is blocked: Pocket fluff is the unofficial enemy of Lightning and USB-C ports. It packs in tight, then the cable never clicks in properly.
  • There’s moisture or corrosion: Even a “quick splash” can leave residue on the pins. That’s when the alert turns from annoying to constant.
  • Software can play a part: After an iOS update, some phones become fussier about accessories for a while. A restart can sort it.

One quick reality check I use: if your phone charges perfectly on a wireless pad but throws this message on every cable, the port is usually involved.

Quick fixes for an accessory not supported iPhone (no tools, no stress)

Before you book anything in, run through these. I’ve seen plenty of “dead port” panic that turned out to be lint and a bargain-bin cable.

1) Swap the cable and plug first

Try a known-good cable and a proper wall plug. Don’t test with a tired USB port on a laptop and expect reliable results.

If you suspect the power source, Apple’s steps for charging problems are solid. Start here: Apple’s checklist if your iPhone won’t charge.

2) Clean the port carefully (two-minute job)

Turn the phone off. Use a wooden toothpick or something non-metal and gently tease out lint. You’re not scraping a frying pan, you’re lifting fluff.

Avoid metal pins or needles. I’ve repaired more than one “simple port clean” that turned into a proper job because someone gouged the connector.

If you want to see the kinds of problems people run into, the community threads can be eye-opening, like this iFixit discussion on the same alert.

3) Remove the case and reseat the cable

Some thicker cases stop the cable seating fully. If the plug isn’t all the way in, the phone reads a weak connection and complains.

4) Restart the iPhone

It’s basic, but it works more often than people expect. A reboot clears temporary accessory detection glitches.

5) Try wireless charging as a workaround

If you’ve got MagSafe or Qi, use it to get some power in the battery. This helps you back up and buys time if the port is failing.

If you’ve tried all of that and the message still appears with multiple known-good cables, it’s time to look at hardware.

When the pop-up points to a charging port repair (and not “just buy a new cable”)

A port problem isn’t always obvious. Sometimes the phone charges at a weird angle, sometimes it flashes between charging and not charging, and sometimes it throws the warning every single time.

Signs I take seriously in the workshop:

  • The cable feels loose in the port, or won’t “click” in.
  • Charging only works if you hold the cable at a certain angle.
  • Data issues: your iPhone won’t connect to a computer reliably.
  • Visible gunk or green-ish corrosion on the port pins.
  • Heat or burning smell from the connector (stop using it straight away).

At that point you’re likely looking at a broken charging port repair or a deeper phone not charging repair (charging IC damage can happen after cheap accessories or liquid). Either way, it’s not a DIY fix.

A quick story from last week: a customer brought in an iPhone that “only charged in the car”. Turned out the car cable had a slightly longer connector and forced contact past a packed port. A proper clean sorted it in minutes. Another customer, same day, had a port where the internal tongue had cracked, and the cable pins had nothing stable to grip. That one needed a full port replacement.

Repair routes: Essex walk-in help and postal service across the UK

If you’re local, we handle mobile phone repairs Essex every day, including phone screen repair Essex, charging faults, and diagnostics. If you’re further afield, we also offer postal phone repair UK options, so a phone repair by post UK is straightforward when you can’t get to a shop.

We cover the usual stuff people need quickly:

  • iPhone repairs including charging port faults, iPhone battery replacement, and iPhone screen replacement
  • Samsung Repairs and Samsung Phone repair work, including Samsung phone repair Essex and Samsung screen repair Essex
  • Water-damage checks (if you’ve Googled water damaged phone repair UK, you’re not alone)

People also ask about screens while they’re here, so let’s be direct: if you’re trying to fix cracked iPhone screen damage, the iPhone screen replacement cost UK depends heavily on model, screen type, and part quality. Same goes for the Samsung screen replacement cost UK. We’ll always quote once we know exactly what you’ve got in front of us, and we stick to a strong price promise.

Battery questions come up too. Phone battery replacement UK pricing varies, but if your battery health is struggling and charging is unreliable, an iPhone battery replacement Essex service can make the phone feel “new” again.

If you’re comparing alternatives to Apple Store screen repair UK, the big differences are usually turnaround time, part options, and whether you want a local tech you can speak to. We aim to start work as soon as your device arrives, often the same day, and we back repairs with a warranty (a lot of people search “phone repair with warranty UK” and even “lifetime warranty phone repairs”, so always check the terms and what’s covered).

For UK-wide customers, we’re a mobile phone repair UK service with secure postal options. Book online at Repair My Crack, package the device well, include your order number, and add any passcodes needed for testing.

For business customers, we also support: business mobile phone repairs UK. business laptop and tablet repairs. trusted phone repair service UK.

And yes, people do search for us by name, like “Repair My Crack phone repair” and even “Repair My Crack reviews. best phone repair shop in Essex”. If you’re reading this, you’ve probably done the same.

Quick FAQ people ask me at the counter

Is it worth repairing a cracked iPhone screen?

If you’ve been asking is it worth repairing a cracked iPhone screen, it usually is if the phone is otherwise solid, especially compared with buying a new handset. The same logic applies to cracked screen repair UK jobs on iPhones and Samsungs.

How long does phone screen repair take UK?

People ask how long does phone screen repair take UK all the time. In many cases it can be same-day, but it depends on model, part availability, and whether there’s extra damage under the glass.

If I keep seeing “Accessory Not Supported”, will it get worse?

If it’s lint or a cable, it won’t. If it’s corrosion or a failing port, it often does. The earlier it’s checked, the cheaper it tends to be.

The bottom line

If you’re seeing the accessory not supported iPhone alert, start simple: swap the cable and plug, clean the port safely, restart, and test again. If the connection is loose, inconsistent, or the phone won’t charge reliably, you’re likely looking at a charging port fault that needs proper repair.

If you want it sorted without the faff, book online and either pop in for iPhone repair Essex or send it via our postal phone repair UK service. We’ll diagnose it properly, explain the options in plain English, and get you back to a phone that charges without complaining.

– James Waterston, Device Repair Specialist at Repair My Crack

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iPhone Back Glass Repair in the UK (2026), What Actually Gets Replaced, How Long It Takes, and What to Watch For

That moment when you pick up your iPhone and feel the back crunch slightly is never a good sign. The front screen might look fine, but the rear glass has taken the hit, and now you’ve got spider cracks, sharp edges, and that nagging worry about water getting in.

Here’s the straight answer: in 2026, iphone back glass repair is usually worth doing, especially on iPhone 13 to iPhone 16 models where the repair can often be done without replacing the whole phone. It’s cheaper than upgrading, it keeps your data, and it stops the damage from spreading.

I’m James Waterston, the in-house device repair specialist at Repair My Crack. Below is what actually gets replaced, how long it tends to take in the UK, and the red flags that can turn a “simple back” into an expensive headache.

What actually gets replaced in an iPhone back glass repair (and what shouldn’t)

Most people picture a quick “pop the glass off and stick a new one on” job. In reality, the part we replace depends on your iPhone model and how it’s built.

On many newer iPhones (particularly iPhone 13 onwards), a proper back repair can mean replacing the rear glass panel while keeping the frame and internal parts in place. The job still takes skill because the broken glass has to come off cleanly, the surface must be prepped, and the new panel needs the right adhesive and pressure to seat properly.

On some older designs, or where the chassis is bent, the safer route can be replacing a larger assembly (often referred to in the trade as the rear housing). If the phone has taken a corner impact and the frame is twisted, a “glass-only” job can fail, the new panel won’t sit flush, or you’ll end up with gaps.

A detail lots of people miss: MagSafe models have a magnet ring and alignment parts under the back. Depending on the method used, those elements may need transferring or working around. If it’s done badly, you’ll notice weaker MagSafe grip or flaky wireless charging.

If you’re curious what the DIY process looks like (and why it’s easy to make a mess of it), this video gives a realistic feel for the work involved: iPhone 14 Plus back glass repair example.

How long iPhone back glass repair takes in the UK (shop repairs vs post)

Time is the big question because nobody wants to be without their phone for a week. For walk-in customers in Essex, we aim for express turnaround where we can. For nationwide customers, our postal phone repair UK option is built for speed once the device lands with us.

In practical terms, the repair time depends on three things: the model, the type of back damage, and whether anything else is affected (camera lens, frame, charging, battery).

Here’s a simple guide:

Repair routeTypical turnaroundWhat it suits
Local drop-off (Essex)Same-day in many casesIf you want it sorted fast
Post-in repairRepair starts when it arrives, often same dayAnywhere in the UK
Complex damage (bent frame, multiple faults)Longer, after inspectionWhen it’s not just the glass

People often ask how long does phone screen repair take UK as well. Screen jobs can be quick too, but if you’ve got both sides damaged, expect more bench time than a single repair.

Before you send anything via phone repair by post UK, do these basics (it avoids delays and protects your data):

  • Back up your iPhone (iCloud or computer)
  • Turn off Find My if requested for certain repairs
  • Note your passcode if you’re authorising testing (otherwise we can’t fully check it)
  • Pack it snugly, include your order number, and use tracked shipping

That same “send it, fix it, return it” approach works for mobile phone repair UK generally, including cracked screen repair UK jobs.

What it costs in 2026, and why prices can feel all over the place

Back glass pricing in the UK can vary a lot. In early 2026, I regularly see independent quotes roughly in the £75 to £300 range depending on model and method, with manufacturer routes often higher, especially if they decide the damage counts as a bigger assembly replacement.

The reason prices swing:

  • Some models are simply harder to work on
  • Shops may use different removal methods and materials
  • Extra damage changes the job (frame, camera, charging, battery)
  • Warranty terms vary (and so does what they actually cover)

If you’ve smashed the front too, your total can jump because you’re now talking about an iPhone screen replacement alongside the back. People also compare iPhone screen replacement cost UK when weighing up whether to repair or upgrade. As a rough rule, newer OLED screens cost more than older LCD ones, and “cheap” screens often look dimmer or behave oddly with touch.

If you’re looking at Android costs as well, the same pattern applies. Samsung Phone repair prices for flagships can be steep because parts cost more, so Samsung screen replacement cost UK can rival some iPhone repairs. (We do plenty of Samsung Repairs, including Samsung phone repair Essex and Samsung screen repair Essex.)

For general context on UK screen pricing and what drives it, this breakdown is handy: UK screen repair price comparisons.

What to watch for (so your “simple” repair doesn’t become a repeat visit)

Back glass is one of those repairs that exposes corner-cutting quickly. Done well, it looks factory clean. Done badly, you’ll spot it in a week.

Here’s what I tell customers to keep an eye on:

1) “Waterproof again” promises
Phones are water-resistant from the factory, not magically waterproof. After any opening or back repair, resistance depends on correct sealing and condition of the frame. Be wary of anyone guaranteeing it.

2) Adhesive and fit
If the back isn’t seated perfectly, you can get creaks, tiny gaps, or dust around the edges. That’s also how moisture sneaks in.

3) Wireless charging and MagSafe
If alignment is off, you’ll get slow charging, heat, or disconnects. If you notice that after repair, get it checked.

4) Hidden extra faults
A drop that breaks the back can also start a chain reaction: broken charging port repair, phone not charging repair, camera focus issues, or battery damage. We see this a lot alongside phone battery replacement UK requests, including iPhone battery replacement and iPhone battery replacement Essex for local customers.

5) Warranty clarity
Look for phone repair with warranty UK terms that are written down and explain what’s covered. You’ll also see people searching for lifetime warranty phone repairs, but “lifetime” can mean anything from 30 days to “as long as you own the phone”, so always read the small print.

If you want a plain-English overview of the process and risks, these guides are decent starting points: iPhone back glass replacement guide and how iPhone back glass repair works.

At Repair My Crack, we handle iPhone repairs daily, along with mobile phone repairs Essex, iPhone repair Essex, iPhone screen repair Essex, and phone screen repair Essex. We also repair Samsung devices, including Samsung phone repair Essex. For businesses we also take on: business mobile phone repairs UK. business laptop and tablet repairs. trusted phone repair service UK.

You might even have seen searches like “Repair My Crack phone repair” or “Repair My Crack reviews. best phone repair shop in Essex”. The only thing I’ll add is this: judge any shop by the quality of their work, their warranty, and how they deal with problems when they happen.

Quick FAQ customers ask me at the counter

Is it worth repairing a cracked iPhone screen?

If the phone is otherwise working, is it worth repairing a cracked iPhone screen? Most of the time, yes. A cracked screen can cut your finger, worsen fast, and kill trade-in value. If cost is your worry, ask about alternatives to Apple Store screen repair UK that still use good parts and include a warranty.

Can you fix cracked iPhone screen and the back glass together?

Yes. We often fix cracked iPhone screen damage alongside back glass, but it affects cost and time. It’s always better to do both properly than patch one side and hope for the best.

Do you deal with water damage too?

We do diagnostics and water damaged phone repair UK assessments. Just don’t charge it if it’s been wet, that’s how small damage becomes board-level trouble.

Getting your iPhone back to “normal” (without the stress)

A shattered back isn’t just cosmetic, it’s a weak point that can keep getting worse. A good iphone back glass repair puts the phone back in one solid piece, restores comfort in the hand, and helps protect the inside from dirt and moisture.

If you’re stuck, you can book online at Repair My Crack and choose a local repair in Essex or a postal phone repair UK service. We’ll inspect it properly, explain what needs doing, and get it sorted as quickly as we can.

– James Waterston, Device Repair Specialist at Repair My Crack

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iPhone Screen Goes Black During Calls (Proximity Sensor Problems, Quick Checks, and When It Needs a Repair)

You lift your iPhone to your ear, start chatting, and suddenly the screen goes black. That part is normal. The annoying bit is when it stays black, won’t wake up, and you end up pressing random parts of the glass like you’re trying to crack a safe.

In most cases, this is the iPhone proximity sensor doing its job, or getting confused by something simple like a grubby earpiece mesh, a thick screen protector, or a slightly wonky case. A few quick checks usually sort it.

If it doesn’t, it can point to a hardware problem after a drop, a previous repair, or liquid damage. I’ll run through the fast checks first, then when it’s time to book it in.

What the iPhone proximity sensor does (and why the screen goes dark)

The proximity sensor sits up at the top of the phone, near the earpiece and front camera area. Think of it like the automatic lights in a corridor: when something gets close (your face, your hand, sometimes your jumper), the iPhone turns the display off to stop cheek-dials.

So, a black screen during a call is expected when the phone’s at your ear. The problem is when:

  • the screen won’t come back on when you pull the phone away
  • the screen goes black even on speakerphone
  • the call controls are basically unreachable until the other person hangs up

Apple bundles proximity sensor checks into their official troubleshooting sections (you’ll see it listed under sensor faults in their manuals), for example in Apple’s iPhone 15 repair manual troubleshooting contents. That’s a good reminder that this “simple” issue can be either a quick clean or a proper parts job, depending on the cause.

Proximity sensor quick checks (before you pay for a repair)

Before you assume the phone’s broken, try these. I’ve seen loads of “dead sensor” phones that just needed a clean and a better-fitting screen protector.

  1. Clean the top edge properly
    Use a microfibre cloth and a tiny bit of screen-safe cleaner. Focus on the earpiece mesh and the very top of the glass. Pocket fluff builds up there more than people think.
  2. Remove the case and screen protector for one test call
    Thick protectors, privacy protectors, and cases with a raised lip can block the sensor. If you’re trying to fix cracked iPhone screen problems with a temporary protector, it can make this worse.
  3. Make a test call and watch the behaviour
    Call voicemail or a friend. Put the phone to your ear, then pull it away. The screen should wake quickly. If it doesn’t, wave your hand near the top edge. If it only wakes when you tap the side button, the sensor may be sticking “on”.
  4. Restart the iPhone
    Sounds basic, but it clears small iOS glitches and resets the call UI.
  5. Update iOS (when you can)
    If you’ve been putting updates off, do it. Bugs do happen, and updates often include fixes for odd call screen behaviour.
  6. Reset all settings (last software step)
    This doesn’t wipe your photos, but it will reset things like Wi-Fi and preferences. If you’re unsure, Apple’s manuals also reference running quick checks and diagnostics, like in Apple’s iPhone 12 Pro repair manual troubleshooting sections.

A quick real-world example: last week I had a customer from Essex whose phone screen went black on every call. They’d fitted a bargain privacy protector that sat slightly too high and covered the sensor area. Protector off, quick test call, problem gone.

When the black screen during calls needs a repair

If the quick checks don’t change anything, it’s usually one of these workshop-level faults.

1) Misalignment after a previous screen job
The proximity sensor relies on precise positioning and clean “windows” through the top of the display assembly. A poor-quality fit, trapped dust, or a slightly shifted bracket can cause the sensor to read “near” all the time. This is one reason I’m picky about parts and fitting on any iPhone screen replacement.

2) Damage after a drop or twist
Even if the glass looks fine, the top flex cables and connectors can take a knock. If you’re also seeing Face ID/front camera issues, it strengthens the case that something up top has been disturbed.

3) Liquid exposure and corrosion
Steam, rain, a sink splash, or the classic “dropped it in the loo” can creep into the earpiece area. If the sensor or connector corrodes, it gets unreliable. That falls under water damaged phone repair UK work, where we diagnose first before swapping parts.

4) The screen is physically damaged
If you’ve got dead spots, flicker, or a cracked top edge, you might be asking: is it worth repairing a cracked iPhone screen? In a lot of cases, yes, especially if the phone is otherwise solid and the cost of repair is a fraction of a replacement handset.

And it’s not always just the screen. People often come in with a “call screen” problem, then we also find the battery is tired (hello, iPhone battery replacement) or there’s a separate issue like broken charging port repair or phone not charging repair after lint has compacted inside the port.

Repair options in Essex and across the UK (including post-in service)

If you’re local, we handle iPhone repair Essex jobs every day, including iPhone screen repair Essex, phone screen repair Essex, and wider mobile phone repairs Essex. If you’re not nearby, we also offer a postal phone repair UK option, sometimes searched as phone repair by post UK, which is ideal if you can’t get to a shop.

You book online at Repair My Crack, package the device securely, add your order number, and include any passcodes we need for testing (only what’s necessary, and you can change it afterwards). We aim to start work as soon as it arrives, often the same day depending on the fault and parts.

A few more things people ask about a lot:

  • Warranty and peace of mind: look for phone repair with warranty UK. Some places advertise lifetime warranty phone repairs, but always read the terms. We provide a clear warranty on repairs and parts, so you know where you stand.
  • Pricing: if you’re searching affordable phone repairs UK, get an upfront quote and compare like-for-like parts quality.
  • If you use Samsung too: we’re not just iPhone repairs. We do Samsung Phone repair and Samsung Repairs, including Samsung phone repair Essex and Samsung screen repair Essex (and yes, we’re happy to quote Samsung screen replacement cost UK as well).

We also support teams and sole traders who can’t afford downtime: business mobile phone repairs UK. business laptop and tablet repairs. trusted phone repair service UK.

If you’re googling “Repair My Crack phone repair” or even “Repair My Crack reviews. best phone repair shop in Essex”, have a look at the feedback and decide if we’re the right fit.

Quick FAQ

how long does phone screen repair take UK

Most screen jobs can be done the same day once the device and parts are in hand, but it depends on the model and any extra damage found during testing.

iPhone screen replacement cost UK

It varies by model and whether it’s OLED, LCD, or needs additional parts. We’ll quote after checking the exact device and fault, especially if the proximity area has been affected.

Samsung screen replacement cost UK

Same story, it depends heavily on model and display type. We’ll confirm the cost once we’ve identified the exact handset.

alternatives to Apple Store screen repair UK

Independent repair centres can be a solid option for speed and price, as long as they use quality parts, test properly, and offer a written warranty.

If your iPhone proximity sensor is making calls a pain, start with the quick checks (clean, remove obstructions, restart). If it still misbehaves, it’s usually a fitting or hardware issue that needs proper testing. If you’re stuck, book online at Repair My Crack and post it in, we’ll get you sorted as quickly as we can.

– James Waterston, Device Repair Specialist at Repair My Crack

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iPhone Camera Keeps Refocusing (Pumping) After a Drop, quick checks and when the stabiliser needs repair

Dropped your iPhone and now the camera won’t settle, it keeps hunting for focus like it’s got a mind of its own? That constant iPhone camera refocusing (people call it “pumping”) is one of the most common post-drop complaints I see at Repair My Crack.

Here’s the straight answer: if it started right after a drop, it’s often hardware-related, usually the camera’s stabiliser or focus assembly has been knocked out of line. That said, there are a few quick checks you can do first, because sometimes it’s something simple like a smudged lens, a case pressing on the camera, or a setting that’s confusing the phone.

Let’s get you from “why is it doing that?” to “sorted”, without wasting your time.

What “pumping” focus usually means after a drop

Clean, high-resolution technical illustration of a modern iPhone's triple rear camera lenses with refocusing motion blur, fading to a dropped phone with impact marks on a hard floor, minimalist style for smartphone repair guides.
The rear camera “hunting” for focus after an impact, created with AI.

Inside your iPhone camera, there are tiny moving parts that do two jobs: autofocus (getting the subject sharp) and optical image stabilisation (OIS) (steadying the image so your hands don’t ruin the shot). Think of it like a miniature, floating lens on springs and magnets. A hard drop can shift that assembly by a hair, and that’s enough for the phone to keep “trying” to correct itself.

When the stabiliser is damaged, you’ll often notice one or more of these:

  • The image pulses in and out of focus, even in good light.
  • Video looks shaky or “wobbly”, even when your hands are steady.
  • You hear a faint clicking, buzzing, or a rattle near the camera area.
  • It’s fine on one zoom level, but unusable on another (for example 1x is bad, 0.5x is fine).

It isn’t always the stabiliser though. After a drop, I sometimes see camera issues caused by internal connection problems on the logic board. In plain terms, the phone flexes on impact, and tiny solder joints can crack, so the camera keeps losing a clean signal. If you want a good general troubleshooting overview for blur and focus problems, iFixit’s guide is a sensible starting point: iFixit iPhone blurry camera troubleshooting.

The good news is you can rule out the easy stuff quickly.

Quick checks for iPhone camera refocusing (the 5-minute test)

Three-panel minimalist technical illustration for iPhone repair guide: cleaning camera lens with microfiber cloth, removing bulky phone case, and displaying Camera app zoom levels (0.5x, 1x, 3x).
Simple checks that often fix focus issues, created with AI.

Before you assume the worst, do these in order. It’s quick, and it stops you chasing your tail.

  1. Clean the lens properly
    Use a clean microfibre cloth. Don’t use your T-shirt if it’s been living in your pocket with coins.
  2. Remove anything stuck over the camera
    Take off the case and any lens protector. I’ve seen protectors slightly misaligned, causing glare and confusing autofocus.
  3. Test each lens using zoom
    In the Camera app, try 0.5x, 1x, and 2x or 3x (if your model has it). If the pumping only happens on one zoom, that’s a big clue it’s one camera module.
  4. Tap to focus, then lock focus
    Tap your subject, then press and hold until you see AE/AF Lock. If it behaves when locked but goes wild when unlocked, it can point to a stabiliser or sensor issue.
  5. Try bright light and a plain subject
    Autofocus hates dark rooms and blank walls. Test near a window on something with detail (a book cover works well).
  6. Restart, then check iOS updates
    A normal restart is fine. If you’re behind on updates, install the latest iOS version available for your phone.
  7. Check for case pressure and magsafe mounts
    A tight case or a chunky mount can press near the camera. Remove everything and test again.

If you want to see how other owners describe stabiliser symptoms (including older models), this Apple community thread is a familiar story: Apple Support Community discussion on iPhone OIS issues.

If the camera still won’t settle after these checks, it’s time to talk repair.

When the stabiliser needs repair (and what we can check for you)

Cutaway technical illustration comparing intact iPhone camera OIS module (left) with damaged version after drop (right), including diagnostic flowchart for repair.
How a drop can knock the OIS assembly out of alignment, created with AI.

If your iPhone was fine before the drop and now it’s pumping focus, I treat it like a likely camera module fault until proven otherwise. OIS damage is common because it’s designed to move, and impact can knock it off-centre.

Here’s a quick “what it looks like” guide:

What you’re seeingLikely causeBest next step
Pumping only on 1xMain camera OIS/autofocus damageCamera module diagnosis and replacement if needed
Shaking and buzzing in videoStabiliser (OIS) strugglingStop using it for filming, book a repair
Still blurry after cleaning and resetsHardware or internal connection issueProper inspection and testing
Front camera is fineRear module or rear connectionRear camera fault-finding

As of January 2026, most modern iPhones use multi-camera setups, which is handy for diagnosis because we can isolate which lens is misbehaving. If a camera replacement doesn’t fix it, board-level work may be needed, that’s specialist micro-soldering rather than a normal parts swap.

And just to be real, drops rarely damage only one thing. If you also need iPhone screen replacement, want to fix cracked iPhone screen, or you’re asking “is it worth repairing a cracked iPhone screen?”, we’ll give you an honest answer and a quote. People also ask about iPhone screen replacement cost UK and Samsung screen replacement cost UK, and it varies by model, but we’ll always explain your options, including alternatives to Apple Store screen repair UK.

We cover mobile phone repairs Essex, including phone screen repair Essex, iPhone repair Essex, and iPhone screen repair Essex, plus Samsung Phone repair, Samsung Repairs, Samsung phone repair Essex, and Samsung screen repair Essex. We also handle iPhone repairs like iPhone battery replacement, phone battery replacement UK, and iPhone battery replacement Essex, along with broken charging port repair and phone not charging repair. If it’s gone for a swim, we can help with water damaged phone repair UK diagnostics too.

If you’re not local, we do postal phone repair UK, also known as phone repair by post UK, and we aim to start as soon as your device arrives. You can book online at Repair My Crack, pack the phone securely, and include your order number.

A few quick FAQs I hear every week

How long does phone screen repair take UK?
Most screen jobs are same-day once the device is with us, parts depending, but I’ll always set expectations before we start.

Do you offer phone repair with warranty UK?
Yes, we back our work with warranty for peace of mind. If you see ads for lifetime warranty phone repairs, read the terms carefully because it often has limits.

Are you affordable?
We keep pricing sensible, and our price promise helps. Plenty of customers find us by searching affordable phone repairs UK, or even “Repair My Crack phone repair” and “Repair My Crack reviews. best phone repair shop in Essex”.

Do you repair business devices too?
Yes, we help teams who can’t afford downtime: business mobile phone repairs UK. business laptop and tablet repairs. trusted phone repair service UK.

For extra general tips on cleaning and basic checks, Asurion’s walkthrough is also useful: easy steps to fix a blurry iPhone camera.

Conclusion

If your iPhone camera refocusing started right after a drop and the quick checks don’t calm it down, it’s usually a stabiliser or camera module issue, and it won’t fix itself. The sooner you get it checked, the less chance you’ll strain the damaged parts (especially if it’s buzzing or rattling).

If you’re stuck, book online with us and post it in, or pop into our Essex service. We’ll diagnose it properly, explain the options clearly, and get you back to a camera you can trust.

– James Waterston, Device Repair Specialist at Repair My Crack

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iPhone Wi‑Fi Keeps Dropping Out or Won’t Connect, Quick Checks, Common Hardware Causes, and When It’s a Repair

Nothing tests your patience like an iPhone that clings to Wi‑Fi for 10 seconds, then drops it like a hot mug of tea. One minute you’re on WhatsApp, the next you’re burning mobile data and everything feels sluggish.

If your iPhone Wi‑Fi not working properly, the good news is this, most cases are settings, router quirks, or an iOS hiccup, not an expensive repair. If it’s dropping out on every network, the Wi‑Fi toggle is greyed out, or it started right after a knock or water splash, that’s when I start thinking hardware.

I’m James Waterston, and at Repair My Crack we see this daily, especially after iOS updates, house moves (new routers), or the classic “it fell off the sofa, but it was fine” moment.

Quick checks when iPhone Wi‑Fi not working at home or work

Smartphone control panel showing Wi‑Fi and connectivity icons
Photo by Brett Jordan

Start with the boring stuff. It’s boring because it works a lot of the time.

  1. Restart your iPhone, then restart the router. Unplug the router for 30 seconds, plug it back in, and wait for it to settle.
  2. Toggle Airplane Mode on for 10 seconds, then off. It gives the wireless radios a quick reset.
  3. Forget the Wi‑Fi network and re-join it (Settings, Wi‑Fi, tap the “i”, then Forget This Network).
  4. Turn off any VPNs or “security” apps temporarily. Some behave like an overprotective bouncer and block normal traffic.
  5. Check for iOS updates (Settings, General, Software Update). In January 2026 we’re still hearing reports of iOS 26 Wi‑Fi drops on some devices, so keeping iOS current matters.

Apple’s own steps are worth following in order, especially the “forget network” and “reset network settings” bits. Here’s the official guide: Apple’s Wi‑Fi connection checks.

If you’re at work, it can also be the network itself. Captive portals (the login pages) and stricter security can make phones look “connected” but useless. EE’s checklist is a good plain-English reference: EE’s iPhone Wi‑Fi fix guide.

One more setting that catches people out: Wi‑Fi Assist. If your iPhone thinks the Wi‑Fi is weak, it quietly swaps to mobile data. You can turn it off in Settings, Mobile Data (or Cellular), then Wi‑Fi Assist.

Why Wi‑Fi keeps dropping out (even when settings look fine)

When someone tells me “it only drops in the bedroom” I don’t reach for a screwdriver. I reach for common sense and a mental picture of brick walls, mirrors, and that one dodgy extender from 2018.

A few real-world causes that don’t mean your iPhone is broken:

  • Weak signal and interference: Microwaves, baby monitors, thick walls, fish tanks (yes, really) can all chew up Wi‑Fi.
  • Band steering and mesh handover: Some routers push devices between 2.4 GHz and 5 GHz. That handover can feel like random dropouts.
  • Router firmware: Old firmware can struggle with newer phones. A quick update on the router can calm everything down.
  • Saved networks fighting each other: If your iPhone keeps trying to jump to a neighbour’s network you used once, it’ll behave like it can’t make its mind up.

If it helps, think of Wi‑Fi like a conversation across a busy pub. If you’re far from the router (the person you’re talking to), and there’s loads of noise around you, you’ll keep missing words and repeating yourself.

A quick way to separate “router problem” from “phone problem” is to test on two other networks. Try a friend’s Wi‑Fi, your workplace, or a phone hotspot. If your iPhone drops on all of them, it’s probably not your router.

If you want to see how common these reports are, Apple’s community threads show the same patterns (especially post-update): Wi‑Fi dropouts discussed by iPhone users.

Common hardware causes, and when it’s a repair

Here’s the bit people don’t love hearing. If your iPhone was fine, then after a drop, bend, or water exposure the Wi‑Fi becomes unreliable, hardware is on the table.

Hardware faults we see in the workshop

Loose or damaged Wi‑Fi antenna connections: A drop can shift internal connectors. Sometimes it’s a simple reseat, sometimes the antenna flex needs replacing. If you’re curious what that part looks like, iFixit shows examples like an iPhone Wi‑Fi antenna component.

Liquid damage and corrosion: Even “it dried out” can leave residue that causes weak signal or random disconnects. This is where water damaged phone repair UK diagnostics matter, because the damage isn’t always visible from the outside.

Logic board faults: If Wi‑Fi is greyed out, won’t switch on, or Bluetooth also plays up, it can point to board-level trouble. That’s a proper bench job, not a settings tweak.

Aftermarket housings or previous repairs: I see this after a poor-quality iPhone screen replacement, where shielding isn’t refitted right, or an antenna is pinched. The same applies across brands, including Samsung Phone repair work done badly.

How to tell it’s probably time for a technician

If two or more of these are true, stop chasing settings and get it assessed:

  • Drops on every network, even right next to the router.
  • Wi‑Fi toggle is greyed out or stuck.
  • Problem started right after a drop or after moisture.
  • You’ve already tried Reset Network Settings and iOS updates.

And yes, Wi‑Fi issues often arrive with other “while you’re at it” faults. We regularly combine iPhone repairs with iPhone battery replacement (especially if the phone is overheating), broken charging port repair, and phone not charging repair.

If you’re comparing options, people often ask: is it worth repairing a cracked iPhone screen? Most of the time, yes, if the phone is otherwise solid. They also ask how long does phone screen repair take UK, and in many cases it’s same-day once the device is with us, parts depending. For pricing, iPhone screen replacement cost UK and Samsung screen replacement cost UK vary by model, but you’ll usually see mid-range devices cheaper than Pro and Ultra models. If you’re looking at alternatives to Apple Store screen repair UK, an independent repair with quality parts and a phone repair with warranty UK can be the practical route.

We cover mobile phone repairs Essex daily, including phone screen repair Essex, iPhone repair Essex, iPhone screen repair Essex, Samsung phone repair Essex, and Samsung screen repair Essex. We also support mobile phone repair UK customers via postal phone repair UK, including phone repair by post UK, so you can get sorted without travelling. If you need to fix cracked iPhone screen damage, or want phone battery replacement UK (including iPhone battery replacement Essex), we can quote once we know the model and fault.

For businesses, we get enquiries that literally read: business mobile phone repairs UK. business laptop and tablet repairs. trusted phone repair service UK. If your team can’t connect to Wi‑Fi, emails stop and jobs stall, so we aim to turn repairs around quickly once devices arrive.

If you’re checking reputation first, I get it. People search “Repair My Crack reviews. best phone repair shop in Essex” before posting anything valuable. You can book through Repair My Crack phone repair and send your device securely, include your order number, and any passcode you want us to use for testing.

One last note on warranties: some people search lifetime warranty phone repairs. In reality, what matters is a clear, written warranty and decent parts, not marketing fluff. We focus on affordable phone repairs UK with a proper warranty, and we’ll tell you honestly if a Wi‑Fi fault looks like board damage that may not be economical.

Quick FAQ

Will a reset definitely fix it?
No. Reset Network Settings fixes loads of software glitches, but it can’t repair a damaged antenna or corrosion.

Could a cracked screen affect Wi‑Fi?
Indirectly, yes. A hard impact that cracks glass can also shift internal connectors. That’s why a cracked screen repair UK job should be done properly.

Do you only repair iPhones?
No, we do Samsung Repairs too, including screen and battery jobs, plus charging faults and diagnostics.

Getting back to stable Wi‑Fi (without guessing)

If your iPhone Wi‑Fi not working is down to settings or the router, the quick checks above usually sort it. If it’s dropping on every network, started after a knock, or shows signs of liquid damage, it’s time for a proper inspection.

If you’re stuck, book online and post it in, or pop in if you’re local to Essex. We’ll test the hardware, explain what’s actually failed, and get you back to reliable Wi‑Fi with as little faff as possible.

– James Waterston, Device Repair Specialist at Repair My Crack

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