Apple iPhone 12 Pro Max

Apple iPhone 12 Pro Max

iOS 18

iOS 18 iOS 17

I can't start my Apple iPhone 12 Pro Max iOS 18

Cause 5 of 6: The phone lock code is turned on

When the phone lock code is turned on, it needs to be keyed in every time you turn on your phone.

Solution: Turn off phone lock code.

Step 1 of 7

Find "Face ID & Passcode"

Press Settings.

Step 2 of 7

Find "Face ID & Passcode"

Press Face ID & Passcode.

Step 3 of 7

Turn on use of phone lock code

Press Turn Passcode On and key in a phone lock code of your own choice twice.

Step 4 of 7

Turn deletion of data on or off

Press the indicator next to "Erase Data" to turn the function on or off.

Step 5 of 7

Turn deletion of data on or off

If you turn on the function, press Enable.

Step 6 of 7

Turn off use of phone lock code

Press Turn Passcode Off and key in the phone lock code.

Step 7 of 7

Return to the home screen

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

1 Find "Face ID & Passcode"

Press Settings.

Press Face ID & Passcode.

2 Turn on use of phone lock code

Press Turn Passcode On and key in a phone lock code of your own choice twice.

3 Turn deletion of data on or off

Press the indicator next to "Erase Data" to turn the function on or off.

If you turn on the function, press Enable.

4 Turn off use of phone lock code

Press Turn Passcode Off and key in the phone lock code.

5 Return to the home screen

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