The SIM card PIN can be changed in the security settings on the LG phone, but the SIM lock must be enabled to make a change.
The PIN must consist of a minimum of four and a maximum of eight numbers.
- Open the Settings
- Tap on General
- Tap on Lock screen & security
- Tap on Set up SIM card lock
- Tap on Change SIM PIN
- Enter current PIN and confirm with OK
- Enter new PIN and confirm with OK
- Confirm new PIN and tap on OK