1. Tap the Phone icon.
   
2. Tap the Menu icon.
   
3. Tap Call settings.
   
4. Tap Additional settings.
   
5. Tap Call forwarding.
   
6. Tap Always forward.
   
7. Enter the desired number, then tap Turn on.
   
8. When call forwarding is turned on, the Call forwarding icon will be displayed in the notification bar.
   
9. To disable call forwarding, tap Always forward.
   
10. Tap Turn off.
    Note: To change the call forwarding number, enter the desired number then tap 'Update'.