
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.
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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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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.

Find your iPhone's Maximum Capacity in Settings, understand what the percentage tells you, and learn when a battery replacement is actually worth it.
Start with the symptom
Most people arrive with a symptom rather than a setting name. Pick the one that matches.

Every iPhone with eSIM support, from the XS and XR to the newest models. See if your iPhone 12 or 13 works, which are eSIM only, and how to check yours.

Change how long your iPhone screen stays on before it locks. Use Auto-Lock, fix it when it is greyed out or stuck at 30 seconds, and keep the screen on longer.

The iPhone Camera app has no shutter speed dial. Learn how to get a longer exposure with Night mode, Live Photo Long Exposure or a manual camera app.

Find apps you deleted from your iPhone. There is no Recently Deleted folder for apps, but the App Store keeps a list you can reinstall from in seconds.

Find Location Services on your iPhone: Settings, Privacy & Security, Location Services. Turn it on or off, choose which apps see your location and fix it when it is greyed out.

Water in your iPhone speaker? Learn if the Water Eject shortcut and speaker cleaner apps work, how to use them safely, and what to do if the sound stays muffled.
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Settings, features and fixes for iPhone, from battery and storage to Face ID and iOS updates.
59 guidesApple ID, iCloud, Mac, iPad, Apple Watch and the services that tie them together.
44 guidesAndroid settings, Google account issues and device-specific fixes explained step by step.
45 guidesFixes and walkthroughs for the apps people use every day: messaging, streaming, storage and more.
41 guidesStraightforward walkthroughs for the things people actually need to do on their phones.
135 guidesSomething is broken. Work through the likely causes in order, starting with the quickest fix.
12 guidesLonger explainers for settings and features worth understanding properly, not just toggling.
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