Find "Change PIN2 Code"
Press the Menu key twice.
Scroll to Options and press the Navigation key.
Scroll to Device and press the Navigation key.
Scroll to Advanced System Settings and press the Navigation key.
Scroll to SIM Card and press the Navigation key.
Press the Menu key.
Scroll to Change PIN2 Code and press the Navigation key.
Change PIN2
Key in your current PIN2 and press the Navigation key.
Key in your new PIN2 and press the Navigation key.
Key in the new PIN2 again and press the Navigation key.
Exit
Press Disconnect.
Press the Return key to return to standby mode.