Apple iPhone 12

Apple iPhone 12

iOS 16.0

iOS 17 iOS 16.0

Short battery life on my Apple iPhone 12 iOS 16.0

Cause 8 of 15: Automatic screen lock is turned off

When the screen lock is turned on, your phone's screen light is turned off. If your phone's screen lock is turned off or is set set to turn on after a long period of time, the power consumption may increase.

Solution: Turn on automatic screen lock.

Step 1 of 8

Turn on the screen lock

Press the Side button.

Step 2 of 8

Turn off the screen lock

Press the Side button.

Step 3 of 8

Turn off the screen lock

Slide your finger upwards starting from the bottom of the screen.

Step 4 of 8

Set automatic screen lock

Press Settings.

Step 5 of 8

Set automatic screen lock

Press Display & Brightness.

Step 6 of 8

Set automatic screen lock

Press Auto-Lock.

Step 7 of 8

Set automatic screen lock

Press the required setting.

Step 8 of 8

Return to the home screen

Slide your finger upwards starting from the bottom of the screen to return to the home screen.

1 Turn on the screen lock

Press the Side button.

2 Turn off the screen lock

Press the Side button.

Slide your finger upwards starting from the bottom of the screen.

3 Set automatic screen lock

Press Settings.

Press Display & Brightness.

Press Auto-Lock.

Press 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.