
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.
Practical technology help
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.

Android notifications not showing on the lock screen or late? Check app permission, Do Not Disturb, battery limits and sleeping apps on Samsung and Pixel.

Galaxy phone buzzing with no call or message? Turn off the settings that cause random vibration, test in Safe Mode and learn when the motor is the problem.

Apple Watch texts to an Android phone fail or stay red? Check the paired iPhone, SMS and MMS, iMessage and contact settings, then restart and re-pair if needed.

Apple Watch quiet for texts, calls or notifications? Check haptic alerts, Focus, the iPhone unlock rule and per-app settings before you reset or repair it.

iPhone auto brightness not working or the screen keeps changing? Check the Accessibility switch, light sensor, Low Power Mode and heat, then try 3 more fixes.

iPhone keyboard not showing up in Messages, Safari or another app? Disconnect Bluetooth, remove extra keyboards, reset the dictionary and try 5 more fixes.
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Settings, features and fixes for iPhone, from battery and storage to Face ID and iOS updates.
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39 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.
131 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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