Factory Hard Reset Sony Xperia M4 Aqua E2303 using factory reset secret code. Power on the phone and open Phone Dialer. Once the phone's dialer is open, type - *#*#7378423#*#*. From the menu which shows up on the screen select option Customization Settings and then Reset customization. 0:00 / 1:25 Hard Reset SONY Xperia M4 Aqua - factory reset by Android settings HardReset.Info 1.04M subscribers Subscribe 126K views 7 years ago More info: rySkA.

sony xperia m4 aqua hard reset