Device Guides
Samsung Galaxy S9
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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.
Possible cause 3:
Automatic screen lock is turned off: Turn on automatic screen lock.
List view
1. Turn on screen lock
Briefly tap On/Off.
2. Turn off screen lock
Briefly tap On/Off and slide you finger across the screen.
3. Set automatic screen lock
Slide your finger downwards starting from the top of the screen.
Tap the settings icon.
Tap Display.
Tap Screen timeout.
Tap the required setting.
4. Return to the home screen
Tap the Home key to return to the home screen.
Step 3 of 8
Slide your finger downwards starting from the top of the screen.
Step 4 of 8
Tap the settings icon.
Step 5 of 8
Tap Display.
Step 6 of 8
Tap Screen timeout.
Step 7 of 8
Tap the required setting.
Step 8 of 8
Tap the Home key to return to the home screen.
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