Find "settings"
Slide your finger left on the display.
Press Phone.
Press Phone.
Press the dots in the bottom right corner of the display.
Press settings.
Turn on divert
Press the indicator next to Call forwarding to turn on the function.
Divert calls to alternative number
Press the field below Call forwarding.
Key in the required number and press save.
Exit
Press the Home key to return to standby mode.