Find "Additional settings"
Press Applications.
Press Settings.
Press Call settings.
Press Additional settings.
Turn your own caller identification on or off
The current settings are displayed.
Press Caller ID.
Press Caller ID.
Please note: you can only hide your caller identification for voice calls. When you send text or picture messages, your phone number is always displayed.
Press Hide number or Show number.
Please note: you can only hide your caller identification for voice calls. When you send text or picture messages, your phone number is always displayed.
Exit
Press the Home key to return to standby mode.