Apple iPhone 12
Turn use of PIN on or off
The PIN protects your SIM from unauthorised use if your phone should get stolen. If use of PIN is turned on, it needs to be keyed in when you turn on your phone.
Press Settings.
Press Mobile Service.
Press SIM PIN.
Press the indicator next to "SIM PIN" to turn the function on or off.
Key in your PIN and press Done.
Slide your finger upwards starting from the bottom of the screen to return to the home screen.
1. 1. Find "SIM PIN"
2. 2. Turn use of PIN on or off
3. 3. Return to the home screen