1 Find "Setup"
Press the phone icon.
Press the menu icon.
Press Advanced settings.
Press Setup.
2 Save voicemail number
Press the required SIM.
Press Voicemail number.
Key in (prefix) 5 (your phone number) and press OK.
(prefix) 5 (your phone number)
3 Return to the home screen
Press the Home key to return to the home screen.