Switch-off your phone. 1. Press and hold 3 keys; Green dial key, * Star key, no. 3 key on keypad and then press the power on/off to swtich on the phone. Remember, do not let go the 3 press and hold keys until you see a formatting word screen show! 2. After a few minutes when the Full phone formatting completed, your phone will back to original system and factory settting.
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