How To Format Nokia Symbian S60v2 and S60v3 Phones - N70, E63, E72, E71, N73, C6, N97
Green Dial Key ii. * Star Key iii. No 3 Key, that is Number 3 key on the Keypad [5.] Then Press the ON/OFF Key to Power On ur Phone while your Hand are still on the Buttons. [6.]