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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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Illustration of an Android app storage screen with a Clear cache button
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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Illustration of the iPhone Battery Health screen showing Maximum Capacity and Peak Performance Capability
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

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A USB-C charging port with a battery charging icon
Android

Samsung moisture detected

Samsung moisture detected warning won't go away? Dry the port, clean it safely, charge wirelessly, restart and fix a false alarm. Know when to get it repaired.

7 min read
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A person holding AirPods in their hand
Apple

AirPods one side not working

Fix AirPods when one side is silent, quiet or louder than the other. Check balance, clean the mesh, reset the pair and learn when a single bud needs replacing.

7 min read
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Close-up of the camera lenses on an iPhone
iPhone

iPhone camera blurry

Fix a blurry iPhone camera. Clean the lens, remove film, check close focus, zoom and low light, rule out vibration damage and learn when a repair is needed.

7 min read
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Man holding a turned on flashlight in the dark
iPhone

iPhone flashlight not working

Fix an iPhone flashlight that will not turn on, is greyed out, missing from Control Center or too dim. Step by step, and how to tell a bug from a failed LED.

8 min read
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Abstract green and black glitch pattern like a flickering screen
iPhone

iPhone screen flickering

Fix an iPhone screen that flickers, flashes or shows lines. Check brightness and display settings, restart, update, restore and learn when it is a repair.

6 min read
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A blue cube with a white logo
Android

Samsung battery health

How to check battery health on Samsung with Settings, the Samsung Members app or a dial code. Learn what the results mean and when to replace the battery.

6 min read
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