Your PIN protects your SIM from unauthorised use if your mobile phone should get stolen. You can change your PIN to a PIN of your own choice making it easier to remember. Before you can change your PIN, you need to turn on use of PIN.
Tap SIM PIN.
Tap Change PIN.
Key in your current PIN and tap Done. The default PIN is 0000.
Key in a new four-digit PIN and tap Done.
Key in the new PIN again and tap Done.
Slide your finger upwards starting from the bottom of the screen to return to the home screen.