OPPO A38
Android 13
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.
1. 1. Find "SIM card lock"
Slide two fingers downwards starting from the top of the screen.
Press the settings icon.
Press Password & security.
Press System security.
Press SIM card lock.
2. 2. Turn use of PIN on or off
Press the indicator next to "Lock SIM Card" to turn the function on or off.
Key in your PIN and press the confirm icon.
3. 3. Return to the home screen
Press the Home key to return to the home screen.