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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

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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 person holding a Samsung phone in their hand
Android

Message blocking is active

Samsung shows message blocking is active and your texts will not send? Check blocked numbers, your carrier block and account settings with these steps.

7 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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Four different colored iPhones sitting on a table
Apple

Trade In value lower

Apple Trade In offered less than the quote after inspection? See why values change, how to accept or decline a revised price and how to avoid a cut next time.

6 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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An iPhone and an Apple Watch side by side
Apple

Continue setup on iPhone

Apple Watch says continue setup on iPhone but nothing happens? Finish pairing, restart, reset in pairing mode, or unpair and start again. Steps for each case.

8 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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A white iPad on a wooden table
How-To

Change a document to PDF on iPhone

How to change a document to PDF on iPhone: use Files and Markup, the Print trick, Pages, Word or Google Docs. Free, no extra app needed, for each file type.

5 min read
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A black smartphone showing app icons
How-To

Change AirDrop name on iPhone

How to change AirDrop name on iPhone: edit your iPhone name and your contact card, because AirDrop shows one or the other. Fix a name that won't update.

6 min read
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A colorful wavy gradient of mixed hues
How-To

Change color on iPhone

How to change color on iPhone: use Color Filters, Night Shift, Dark Mode, tinted icons and Lock Screen colors. Also fix a black and white or yellow screen.

6 min read
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A person holding an iPhone
How-To

Change group chat name on iPhone

How to change group chat name on iPhone: open the group in Messages, tap the names and choose Change Name and Photo. Fix a group that can't be renamed.

6 min read
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Pinned locations on a world map
How-To

Change country on iPhone

How to change country on iPhone: change your Apple Account country or region for the App Store, plus the device region. Steps, limits and what to do first.

6 min read
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An iPhone screen showing app icons
How-To

Change your iPhone name

How to change your iPhone name in Settings › General › About › Name. See where it shows in AirDrop, Bluetooth and hotspot, and fix a name that won't save.

6 min read
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A green square button with a green WhatsApp icon
How-To

Download and install WhatsApp on iPhone

How to download and install WhatsApp on iPhone from the App Store, verify your number and restore chats. Fixes if the code never comes or install fails.

6 min read
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A smartphone screen showing app icons
How-To

Google Play Store on iPhone

How to download Google Play Store on iPhone? You can't, because it only runs on Android. See why, which tricks to avoid and what to use instead.

5 min read
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A smartphone used for contactless payment at a card reader
How-To

Pay with Google Pay on iPhone

How to pay with Google Pay on iPhone: you can't tap to pay in stores, but Apple Pay can. See what Google Pay does on iPhone and how to set up Apple Pay instead.

6 min read
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A close up of a phone with different app icons
How-To

Report bugs on iOS

How to report bugs on iOS: use Feedback Assistant, Apple's feedback page or Apple Support, and learn what makes a bug report useful. Steps for any iPhone.

6 min read
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A close up of a phone screen with different app icons
How-To

How to use an iPhone

How to use an iPhone for the first time: buttons, gestures, Home Screen, Control Center, calls, texts, camera, apps and safety. Simple steps for beginners.

6 min read
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