How-to guides for every OS
Step-by-step help for iOS, Android, macOS, Windows and more — then try it live.
Open interactive guides →Connectivity
Connect to Wi‑Fi — Join a wireless network on any phone, tablet or computer.
Pair a Bluetooth device — Connect headphones, a keyboard, a controller or any accessory.
Add an eSIM — Set up a digital SIM without a physical card, using a carrier QR code.
Personalize
Turn on Dark Mode — Switch the system appearance from light to dark (or set it automatically).
Change the system language — Set the language and region used across the interface.
Manage notifications — Control which apps can alert you and how.
Maintenance
Check for software updates — Keep your device secure and current with the latest OS version.
Extend battery life — Find what drains power and enable low‑power saving.
Free up storage space — See what is using space and clear room for more.
Reset or erase your device — Return the device to factory settings. Back up first — this is permanent.
Security
Set up lock & biometrics — Protect your device with a passcode, fingerprint or face unlock.
Tips & tricks
Take a screenshot — Capture what is on your screen with a keyboard or button combo.