Find "Call barring settings"
Press the menu icon.
Press Settings.
Press Call.
Press Call barring settings.
Cancel all barrings
The current settings will be displayed.
Press Deactivate all.
Press Deactivate all.
Click here for more information about the barring password.
Key in your barring password (default is 0000) and press OK.
Click here for more information about the barring password.
Exit
Press the Home key to return to standby mode.