Device Guides
Apple iPhone 11 Pro Max
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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 10:
Automatic screen lock is turned off: Turn on automatic screen lock.
List view
1. Turn on screen lock
Tap the Side button.
2. Turn off screen lock
Tap the Side button.
Slide your finger upwards starting from the bottom of the screen.
3. Set automatic screen lock
Tap Settings.
Tap Display & Brightness.
Tap Auto-Lock.
Tap the required setting.
4. Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.
Step 3 of 8
Slide your finger upwards starting from the bottom of the screen.
Step 4 of 8
Tap Settings.
Step 5 of 8
Tap Display & Brightness.
Step 6 of 8
Tap Auto-Lock.
Step 7 of 8
Tap the required setting.
Step 8 of 8
Slide your finger upwards starting from the bottom of the screen to return to the home screen.
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