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Clear app cache on Android
Clear an app's cache on Android to fix crashes and free up space. Step-by-step instructions for Samsung, Google Pixel, Xiaomi and other phones.
6 min read
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Simple answers to everyday tech problems
Clear, step-by-step fixes for iPhone, Apple, Android and the apps you use every day. Find the setting, understand what it does, and get back to what you were doing.
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iPhone
Check iPhone battery health
Find your iPhone's Maximum Capacity in Settings, understand what the percentage tells you, and learn when a battery replacement is actually worth it.
6 min read
Start with the symptom
What is going wrong?
Most people arrive with a symptom rather than a setting name. Pick the one that matches.
Battery draining fastFind what is using the power and which settings actually help.Wi-Fi or Bluetooth droppingWork through connection problems in the order that fixes them fastest.Storage is fullSee what is really taking up space and free it without losing photos.An app keeps crashingNarrow it down to the app, the account or the operating system.A setting has movedLocate features that were relocated in a recent iOS or Android update.The phone will not turn onRule out the simple causes before assuming hardware failure.
Latest guides
Android
Android new tag scanned
Android new tag scanned keeps popping up? It means your phone touched something with an NFC chip. Find the cause and stop it without losing tap to pay.
7 min read
Show me the fix
Android
Android no command screen
Android no command screen with a lying robot? It is the recovery gate, not a crash. Use the button combo to get past it and reboot without wiping your data.
6 min read
Show me the fix
Android
Galaxy Watch authentication required
Galaxy Watch says authentication required in Play Store, Gmail or Wallet? It lost its Google sign-in. Remove and re-add your account from the phone to fix it.
5 min read
Show me the fix
Android
Galaxy Watch keeps opening Samsung Pay
Samsung Pay or Wallet keeps opening on your Galaxy Watch? A pressed or failing Back button is the usual cause. Check the button first, then the apps list.
4 min read
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Android
Pixel Wi-Fi low quality
Pixel says your Wi-Fi is low quality even with full bars? Learn what the warning measures, why the phone jumps to mobile data and how to make it stay on Wi-Fi.
5 min read
Show me the fix
Android
Samsung Wallet too young
Samsung Wallet says you are too young or must be 21? Check the birth date on your Samsung account first. Here is what is confirmed, and your options if it stays.
4 min read
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Guides by category
Every guide belongs to one category, so you can work through a device or a topic in order.
iPhone
Settings, features and fixes for iPhone, from battery and storage to Face ID and iOS updates.
57 guidesApple
Apple ID, iCloud, Mac, iPad, Apple Watch and the services that tie them together.
44 guidesAndroid
Android settings, Google account issues and device-specific fixes explained step by step.
45 guidesApps
Fixes and walkthroughs for the apps people use every day: messaging, streaming, storage and more.
41 guidesHow-To
Straightforward walkthroughs for the things people actually need to do on their phones.
131 guidesTroubleshooting
Something is broken. Work through the likely causes in order, starting with the quickest fix.
12 guidesGuides
Longer explainers for settings and features worth understanding properly, not just toggling.
20 guidesNewsletter
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