SONY Xperia SP C5303 Hard Reset by Hardware Keys

Hard Reset by hardware keys method:
- Make sure the battery fully charge
- Do not forget to backup all important data
- Turn off the SONY XPERIA SP (C5302/M35H) & (C5303/C5306 LTE)
- Press and Hold together: Power Button + Volume Up Button for several seconds
- Follow the menu at LCD screen to continue the hard reset SONY XPERIA SP (C5302/M35H) & (C5303/C5306 LTE)