Manual mode (for a single call) Dial #31# before your contact's phone number.* Automatic mode (for all the calls) Open "Phone" app : - tap on, - tap on "Settings", - tap on "Calling accounts", - select a SIM card or an operator, if needed, - tap on "Call forwarding", - select the needed option,* - enter the call destination, - tap on "TURN ON" to validate. To cancel the call forwarding, do the reverse setting.
*Caution! The default number displayed is your voicemail's one. Make sure to remember it when cancelling the call forwarding.