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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 person holding a black Android smartphone
Android

Google Messages waiting to connect

Google Messages waiting to connect or stuck on setting up chat features? Check data, your number and the RCS switch, then clear the app data. 7 fixes that work.

6 min read
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A smartphone held in front of a smart TV
Android

Pixel can't cast to Samsung TV

Pixel can't cast to Samsung TV or says no devices found? See why Samsung TVs hide from Cast, fix Wi-Fi and permissions, or use a cable or dongle.

7 min read
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A white Apple Card on a plain surface
Apple

Apple Wallet verification not available

Apple Wallet verification not available when you add a card? Check the bank options, region and date, remove the card and re-add it from your bank app. 7 fixes.

6 min read
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A car dashboard with a phone showing a map
How-To

Change km to miles on iPhone

How to change km to miles on iPhone: set Measurement System for Apple Maps and Distance units in Google Maps. Also change temperature units.

6 min read
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A cell phone with a SIM card attached to it
How-To

Activate eSIM on iPhone

How to activate eSIM on iPhone with a QR code, manual details or your carrier's app. Steps for Verizon, AT&T and T-Mobile, plus fixes when activation fails.

6 min read
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A hand holding a smartphone that shows a home screen with app icons
How-To

Add a Home button to the iPhone screen

How to add home button to iPhone screen: turn on AssistiveTouch in Accessibility, tap Home, move the button and set shortcuts. Works on every iPhone, no repair.

6 min read
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