Feature
Should you replace your iPhone battery? Check this before booking
Check whether your iPhone needs a new battery, compare repair options and quotes, and protect your data before handing it over.
5 min read ·Phone & computer help
Understand the step before you tap it.
Calm device help that protects the data and account access you already have.
Protect access first
The device guide
Small steps, in a safe order.
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Feature
Set up Android Do Not Disturb and choose which alerts can interrupt you
Find Android Do Not Disturb settings, choose call and app exceptions, check alarms, and control schedules on Pixel and Samsung Galaxy phones.
3 min read ·Feature
Frozen iPhone screen? Try the right restart before erasing anything
Model-specific force-restart steps for a frozen iPhone, plus what to do if touch stays unresponsive, the screen stays black or startup gets stuck.
4 min read ·Feature
Back up your Windows PC or Mac—and check the files come back
Set up File History on Windows or Time Machine on Mac, understand cloud backup limits, and test a restore before deleting or resetting anything.
6 min read ·Feature
How to change your default browser on Windows, Mac, iPhone or Android
Change your default browser—or make Chrome the default—on Windows, Mac, iPhone, iPad and Android, with official steps and a quick check.
3 min read ·Feature
Fix printer streaks by testing first, then cleaning the right part
Diagnose printer streaks with safe inkjet, laser and scanner checks. Learn when to clean, adjust settings, replace supplies or stop for support.
5 min read ·Feature
Make your Android keyboard bigger with built-in settings
Enlarge Gboard or Samsung Keyboard, undo sizing changes, and choose Android accessibility settings that help you see and tap more easily.
3 min read ·Feature
Phone gets hot when charging: what to check and when to stop
Learn when charging warmth is normal, how to check your phone and charger safely, and which warning signs mean stop using it or seek service.
4 min read ·Feature
What Are a Computer’s Input Devices?
Learn what computer input devices do, with examples including keyboards, mice, microphones and scanners—and why a touchscreen is both input and output.
2 min read ·Feature
What is a monitor? Computer screens and connections explained
Learn what a computer monitor does, how it differs from a computer, and what to check before connecting one through HDMI, DisplayPort or USB-C.
2 min read ·Feature
Before you factory-reset a phone: the access-and-backup checklist
Protect photos, account recovery, authenticator codes and eSIM details before erasing an iPhone or Android phone.
2 min read ·Device Basics
Back up what matters.
Verify before you erase.
Device Basics explains phone and computer tasks in a safe order, with backup and recovery checks before destructive steps.
Our editorial approach ↗