SNAPCASES. Academy
Fix common phone problems yourself
Free, plain-English guides to the problems we see every day at our Sutton repair shop – what causes them, the safe fixes you can try at home, and how to tell when a repair is the better option.
- 50 free guides
- iPhone, Samsung & Pixel
- No tools needed for most fixes
From our repair benchStart here
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50 guides
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Fix it yourselfBattery & chargingPhone not charging? 6 fixes to try before a repairMost charging problems are caused by a worn cable, a weak plug or fluff packed into the port – not a broken phone. Work through these che...
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Fix it yourselfBattery & chargingBattery draining fast? How to make it last all dayFind out what is really using your battery, switch off the biggest drains, and learn when a worn battery – not your settings – is the pro...
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Fix it yourselfBattery & chargingPhone won’t turn on? What to try before a repairA black screen doesn’t always mean a dead phone. Many phones that “won’t turn on” are simply frozen, completely flat or have a dead scree...
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Safety firstScreen & displayCracked screen? What to do straight awayHow to protect your fingers, your data and the rest of the phone after a crack – and how to decide whether it needs fixing now.
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Safety firstWater & dropsDropped your phone in water? Do this in the first 10 minutesWhat you do straight after a spill matters more than anything else. Follow these steps – and avoid the common “fixes” that make water dam...
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Fix it yourselfSpeed, apps & storagePhone running slow? 8 ways to speed it upA slow phone is usually full storage, an outdated app, a worn battery or too much running in the background. Work through these fixes fro...
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Fix it yourselfSpeed, apps & storageHow to force restart any iPhone, Samsung or PixelA force restart fixes a frozen or black screen without deleting anything. Find the button combination for your exact model.
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Fix it yourselfData, security & careHow to back up your phone – iPhone, Samsung and PixelA backup is the one thing that saves your photos and messages if your phone breaks, is lost or needs a reset. Set it up once and it runs ...
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Fix it yourselfBattery & chargingHow to safely clean your phone’s charging portFluff in the charging port is the most common reason a cable feels loose or charging cuts in and out. Here’s how to clean it without dama...
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Fix it yourselfBattery & chargingHow to check your battery health on iPhone, Samsung and PixelA two-minute check tells you whether your battery is worn out – and whether a new battery would bring back all-day life.
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Safety firstBattery & chargingSwollen battery: warning signs and what to do right nowA swollen lithium battery can push the screen out and, if damaged, catch fire. Here’s how to spot one and how to keep yourself safe until...
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Fix it yourselfBattery & chargingCharging slowly? How to get fast charging workingSlow charging is almost always the plug, the cable or a setting. Here’s what your phone needs to fast charge – and how to check each part.
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Fix it yourselfBattery & chargingWireless or MagSafe charging not workingWireless charging is fussy about position, cases and heat. Use these checks to get it working again – and spot when there’s a deeper fault.
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ExplainedBattery & chargingBattery replacement explained: when you need one and what happensHow to tell your battery is worn out, what happens during a replacement at our shop, how long it takes and what changes afterwards.
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ExplainedScreen & displayScreen replacement explained: original, OLED and LCD optionsWhy screen prices vary, the difference between screen types, what happens during the repair and how to choose the right option for your p...
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Fix it yourselfScreen & displayTouchscreen not responding or tapping by itselfUnresponsive areas, laggy swipes and “ghost touches” are often caused by a screen protector, dirt, charging or a frozen app – not a broke...
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Fix it yourselfScreen & displayLines, flickering or a green tint on your screenSome display glitches are software and disappear after a restart or update. Others are early signs of a failing screen. Here’s how to tel...
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Fix it yourselfScreen & displayScreen too dark or keeps dimming by itselfAutomatic brightness, battery saving, heat protection and accessibility settings can all dim your screen. Work through them in this order.
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Fix it yourselfScreen & displayHow to fit a glass screen protector without bubblesA dust-free room, a careful clean and a slow press are the secrets to a perfect fit. Here’s the method we use in the shop.
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ExplainedScreen & displayCracked back glass: is it safe and how is it repaired?A cracked back looks cosmetic, but it can cut fingers, let moisture in and stop wireless charging. Here’s what to do and how the repair w...
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ExplainedWater & dropsWhy you shouldn’t put a wet phone in riceRice is the most famous phone fix – and one of the worst. Here’s why it doesn’t work and what to do instead.
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Fix it yourselfWater & drops“Liquid detected” or “Moisture detected” warning: what it meansYour phone has found moisture in the charging port and has blocked wired charging to protect itself. Here’s how to clear it safely.
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Fix it yourselfWater & dropsDropped your phone? A 5-minute damage checkSome drop damage is obvious, some isn’t. Run this quick check to find hidden problems with the cameras, speakers, sensors and battery.
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ExplainedWater & dropsIs my phone waterproof? IP68 water resistance explainedWhat IP67 and IP68 really mean, why water resistance fades over time, and why manufacturer warranties usually don’t cover liquid damage.
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Fix it yourselfSpeed, apps & storage“Storage almost full”: how to free up space safelyFree gigabytes in minutes without losing photos or chats – find what’s using the space, then clear it in the right order.
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Fix it yourselfSpeed, apps & storageApps crashing, freezing or closing by themselvesWhen one app keeps crashing it’s usually that app. When every app crashes, it’s storage, software or memory. Here’s how to fix both.
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Fix it yourselfSpeed, apps & storagePhone getting hot? Causes, fixes and when to worryPhones get warm while charging, gaming and navigating – that’s normal. Here’s how to cool it down safely and spot the kind of heat that m...
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Fix it yourselfSpeed, apps & storageHow to update your phone safely – and fix a failed updateUpdates fix bugs and security holes. Here’s how to install them safely, and what to do if an update is stuck or won’t install.
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Fix it yourselfSpeed, apps & storageStuck on the logo or restarting over and overA phone stuck on the Apple or Samsung logo – or restarting in a loop – can often be saved without losing data. Here’s what to try, in order.
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Fix it yourselfSpeed, apps & storageHow to factory reset your phone safelyA factory reset can fix stubborn software problems and is essential before selling. Do it in the right order so you don’t lose data or lo...
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ExplainedSpeed, apps & storageForgot your passcode or locked out? What’s possibleWhat you can do if you’ve forgotten your phone passcode – and why no honest repair shop can bypass it without erasing the phone.
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Fix it yourselfWi-Fi, Bluetooth & signalPhone won’t connect to Wi-FiFind out whether the problem is your phone or your router in one minute, then work through the fixes that solve most Wi-Fi problems.
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Fix it yourselfWi-Fi, Bluetooth & signalBluetooth won’t connect – earbuds, car or watchMost Bluetooth problems are solved by removing the old pairing and pairing again in the right order. Here’s how.
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Fix it yourselfWi-Fi, Bluetooth & signalNo signal, “No Service” or “No SIM” on your phoneCheck whether it’s your network, your SIM or your phone, then fix the settings that cause most signal problems.
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Fix it yourselfWi-Fi, Bluetooth & signalMobile data or 5G not workingGot signal but no internet away from Wi-Fi? Check your allowance, data settings and network mode with these steps.
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Fix it yourselfWi-Fi, Bluetooth & signalOne earbud not working or not chargingWhen one earbud goes quiet or won’t charge, it’s usually dirty contacts, a sound setting or a pairing glitch. Try these fixes before repl...
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Fix it yourselfWi-Fi, Bluetooth & signalCalls dropping or poor call quality: Wi-Fi Calling and moreDropped calls at home or work are usually weak signal indoors. Wi-Fi Calling and a few settings fix most of them.
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Fix it yourselfSound, camera & buttonsSpeaker quiet, crackly or muffledBlocked speaker grilles, Bluetooth and sound settings cause most quiet speakers. Here’s how to clean them safely and check the settings.
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Fix it yourselfSound, camera & buttonsPeople can’t hear you on calls? Microphone fixesPhones have several microphones. Find out which one is failing, check app permissions and clean the mic holes safely.
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Fix it yourselfSound, camera & buttonsCamera blurry, black or won’t focusSmudges and cases cause most blurry photos. Learn the quick fixes, and the signs that a lens or camera module needs repairing.
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Fix it yourselfSound, camera & buttonsFace ID or fingerprint unlock not workingDirty sensors, screen protectors and settings stop most face and fingerprint unlocks. Here’s how to get them working – and why Face ID ne...
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Fix it yourselfSound, camera & buttonsPower or volume button stuck or not workingSticky buttons are often a case or dirt problem. Check these first – and use on-screen shortcuts while you wait for a repair.
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Fix it yourselfSound, camera & buttonsNo sound in headphones, or phone stuck in headphone modeFix wired and USB-C headphones that won’t play, and phones that think headphones are still plugged in.
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Fix it yourselfData, security & careMoving to a new phone: transfer everythingMove photos, contacts, messages and apps to your new phone – iPhone to iPhone, Android to Android, or switching between the two.
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Fix it yourselfData, security & careGetting your phone ready to sell or trade inRemove your accounts, wipe your data and avoid the activation lock that stops a sale. A 20-minute checklist.
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Safety firstData, security & careLost or stolen phone: find it, lock it, protect your dataWhat to do in the first hour after losing your phone – from locating it to protecting your bank accounts – plus the settings to turn on t...
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ExplainedData, security & care10 habits that make your phone last years longerSimple habits we wish every customer knew – protecting the screen, battery, port and your data so your phone stays fast and repair-free.
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Fix it yourselfTablets, laptops & consolesiPad or tablet not charging or turning onTablets have big batteries and need more power than a phone charger gives. Here’s how to charge them properly and what to check if they s...
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Fix it yourselfTablets, laptops & consolesLaptop slow, loud or overheatingA loud fan and a hot, sluggish laptop usually mean blocked vents, too many programs at start-up or a nearly full drive. Here’s how to fix...
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Fix it yourselfTablets, laptops & consolesGames controller drifting or buttons stickingStick drift makes your character or camera move by itself. Try these safe fixes first, then find out how a drift repair works.
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Before you start
Four rules we always follow
Tried everything? We’ll fix it.
Free diagnosis and no fix, no fee. Walk in to 224 High Street, Sutton (Mon–Sat 9:30am–7pm, Sun 10am–5pm), book a London home visit or post it from anywhere in the UK. Standard repairs come with a 1-year warranty.
These guides are general advice for common problems and don’t involve opening your device. If something doesn’t look or feel right – heat, swelling, smoke or a burning smell – stop and get help.
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