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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

All guides
A cell phone with a SIM card attached to it
Guides

Which iPhones support eSIM

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.

3 min read
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A close up of an iPhone resting on a table
How-To

Change screen lock time on iPhone

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.

3 min read
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Close-up of the camera lenses on the back of an iPhone
How-To

Change shutter speed on iPhone

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.

2 min read
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Close-up of an iPhone home screen with app icons
How-To

See recently deleted apps on iPhone

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.

3 min read
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A person holding a smartphone displaying GPS
How-To

Where is Location Services on iPhone

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.

2 min read
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Black and white photo of drops of water
iPhone

iPhone water eject

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.

3 min read
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