How To Hard Reset Sony Xperia M C1905
How
To Hard Reset:1.Open Sony Pc Companion
2.Power Off Your Phone
3.Connect Microusb Cable To Your Computer
4.Click On "Phone /Tablet Software Update"
5.Click On "Repair My Phone/Tablet"
6.Select Sony Xperia M
7.Press Volume Down And Connect Your Phone To Microusb Cable When Software Ask
8.Wait Until Update Is Complete
9.Disconnect Your Phone From Cable And Power On
10.Wait Until Phone Restarts
Done :)