Nokia 109
Find "Change PIN2 code"
Press the Navigation key.
Scroll to Settings and press the Navigation key.
Scroll to Security and press the Navigation key.
Scroll to Access codes and press the Navigation key.
Scroll to Change PIN2 code and press the Navigation key.
Change PIN2
Key in your current PIN2 (default is 1111) and press the Navigation key.
Key in a new PIN2 and press the Navigation key.
Key in the new PIN2 again and press the Navigation key.
Exit
Press Disconnect to return to standby mode.