Device Guides

Samsung Galaxy S21 5G

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My mobile phone's battery life is short

This troubleshooting guide will take you through a number of possible causes
to help you find a solution to your problem.


Turn on automatic screen lock.

Possible cause 2:

Automatic screen lock is turned off

Solution:

Turn on automatic screen lock.

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

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