FeaturedAndroid
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.
7 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
Samsung screen keeps dimming
Samsung screen keeps dimming by itself? Check Adaptive brightness, Extra dim, power saving, screen timeout and heat. 7 fixes for Galaxy phones, step by step.
5 min read
Show me the fix
Android
Samsung Wi-Fi calling not working
Samsung Wi-Fi calling not working or missing? Turn it on, add your emergency address, check your carrier and reset network settings. 7 fixes for Galaxy phones.
6 min read
Show me the fix
Apple
Apple Pay not working
Apple Pay not working at a store, online or on double click? Check the card, Face ID, the reader and iOS, then re-add the card. Eight fixes in order.
6 min read
Show me the fix
iPhone
iPhone contacts missing
iPhone contacts missing or disappeared? Check your Lists, iCloud and Gmail sync, then restore contacts from iCloud.com or a backup. 7 ways to get them back.
5 min read
Show me the fix
iPhone
iPhone Mail not updating
iPhone Mail not updating or not syncing new emails? Check Fetch settings, Background App Refresh, Low Power Mode and storage, then re-add the account. 8 fixes.
5 min read
Show me the fix
Guides
Best iPhone for seniors
Choosing an iPhone for a parent or grandparent? Check screen size, Face ID or Touch ID, software support, battery and safety features, then set it up to be easy to use.
3 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.
64 guidesApple
Apple ID, iCloud, Mac, iPad, Apple Watch and the services that tie them together.
45 guidesAndroid
Android settings, Google account issues and device-specific fixes explained step by step.
47 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.
140 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.
24 guidesNewsletter
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