Apple iPhone 12 Pro Max

Apple iPhone 12 Pro Max

iOS 18

iOS 18 iOS 17

My Apple iPhone 12 Pro Max iOS 18 doesn't respond

Cause 1 of 2: The screen lock is turned on

If the screen lock is turned on, you can't use your phone's screen and keys.

Solution: Turn off the 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.