1. 1. Find "Call barring"
Press the phone icon.
Press the menu icon.
Press GSM call settings.
Press Call barring.
2. 2. Turn call barring on or off
Press the required barring type.
Press the required settings.
Key in your barring password and press OK. The default barring password is 0000.
3. 3. Return to the home screen
Press the Home key to return to the home screen.