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Practical technology help

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.

7 min read

Latest guides

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A blue SIM card on a dark surface
Guides

eSIM on a locked iPhone

A carrier locked iPhone only takes an eSIM from its own carrier. See how to check the lock in Settings, why a travel eSIM will not activate, and how to unlock.

2 min read
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A smartphone screen showing app icons
Guides

iOS and Android updates tracker

The latest iPhone and Android software updates in one place: iOS 27.0.1 fixes, Pixel update dates, who can update, and our guides for problems after an update.

3 min read
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A cellular tower against a clear blue sky
How-To

Find APN settings on iPhone

Find APN settings on your iPhone in Settings › Cellular › Cellular Data Network. Learn why the menu can be missing, what each field means and how to reset it.

2 min read
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A person holding an iPhone in their hand
How-To

How to tell if an iPhone is fake

Check if an iPhone is genuine before you buy. Use the serial number on Apple's Check Coverage page, match the IMEI, review Parts and Service History and check Activation Lock.

3 min read
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A passport booklet on top of white paper
How-To

Turn on data roaming on iPhone

Turn data roaming on or off on iPhone in Settings › Cellular › Cellular Data Options. Check your plan first to avoid charges, and fix roaming when it will not connect.

2 min read
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A man walking down a street with a cell phone in his hand
iPhone

iPhone not tracking steps

iPhone steps stuck at zero or not counting? Turn on Fitness Tracking, check Health data sources, carry the phone right and try 3 more fixes, with or without an Apple Watch.

2 min read
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