If prompted, enter your password or pattern, then select to confirm. Method 2: Reset via Service Code (Dialer)
The path is straightforward: from the home screen, navigate to , then Privacy , and finally select Factory data reset . The phone will display a warning listing all the data that will be erased. After confirming the choice by selecting "Reset phone" and then "Erase everything," the device will automatically power down and begin the reset process. Upon completion, it will reboot to the initial setup wizard. sony ericsson mt11i hard reset