Depending on the default settings of the mobile network operator, a PIN is requested for the SIM card. The request for the SIM PIN can be deactivated in the settings or offers the possibility to change the PIN of the SIM card. To change the PIN, the PIN that is still current is required.
- Open the Settings
- Tap on Biometrics and security
- Tap on Other security settings
- Tap on Set up SIM card lock
- Tap on Change SIM card PIN