Samsung Galaxy S21 Ultra 5G

Android 11.0

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My phone's battery life is short

Turn screen lock on or off

Slide two fingers downwards starting from the top of the screen.

Press the settings icon.

Press Display.

Press Screen timeout.

Press the required setting.

Press the Home key to return to the home screen.

1
Turn on the screen lock
- Press the Side key.
2
Turn off the screen lock
- Press the Side key and slide you finger across the screen.
3
Set automatic screen lock
- Slide two fingers downwards starting from the top of the screen.
- Press the settings icon.
- Press Display.
- Press Screen timeout.
- Press the required setting.
4
Return to the home screen
- Press the Home key to return to the home screen.

Did this solve your problem?

The screen brightness is set too high

Automatic screen lock is turned off

Turn screen lock on or off

Slide two fingers downwards starting from the top of the screen.

Press the settings icon.

Press Display.

Press Screen timeout.

Press the required setting.

Press the Home key to return to the home screen.

1
Turn on the screen lock
- Press the Side key.
2
Turn off the screen lock
- Press the Side key and slide you finger across the screen.
3
Set automatic screen lock
- Slide two fingers downwards starting from the top of the screen.
- Press the settings icon.
- Press Display.
- Press Screen timeout.
- Press the required setting.
4
Return to the home screen
- Press the Home key to return to the home screen.

Did this solve your problem?

Live wallpapers are turned on

Automatic content synchronisation is turned on

Automatic app update is turned on

Notifications are turned on

Bluetooth is turned on

Mobile data is turned on

Vibration is turned on

NFC is turned on

The battery is faulty

Low Power Mode has been turned off

There are too many running apps

GPS is turned on

Wi-Fi is turned on