Find "Change password"
Press the menu icon.
Press Settings.
Press Call.
Press Call barring settings.
Press Change password.
Change barring password
Key in your current barring password (default is 0000) and press OK.
Key in the new barring password and press OK.
Key in the new barring password again and press OK.
A request to change the your barring password is sent to the network.
The action is confirmed on the display.
A request to change the your barring password is sent to the network.
The action is confirmed on the display.
Exit
Press the Home key to return to standby mode.