1 Find "Voicemail"
Press the phone icon.
Press the menu icon.
Press Settings.
Press More below the required SIM.
Press Voicemail.
2 Save voicemail number
Press Voicemail number.
Key in (prefix) 5 (your phone number) and press OK.
(prefix) 5 (your phone number)
3 Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.