1. Find "Voice call"
Press the phone icon.
Press the menu icon.
Press Supplementary services.
Press "Call forwarding" below the required SIM.
Press Voice call and wait while the current settings are retrieved.
2. Select divert type
Press the required divert type.
Key in +4186(area code)(your phone number) and press Enable.
3. Return to the Home screen
Press the home icon to end the session and return to the Home screen.