1. Find "Call Barring"
Press the Navigation key.
Select the settings icon.
Select Network & Connectivity.
Select Call.
Select Call Barring.
2. Turn call barring on or off
Select the required barring type.
Select the required setting.
Key in your barring password. The default barring password is 0000.
0000
3. Return to the home screen
Press Disconnect several times to return to the home screen.