Steve, if you want to be on the safe side, make a nandroid backup in TWRP (system backup) to the external microSD card before the OTA. A backup of your personal data is also useful. More …
TeamWin - TWRP
Steve, if you want to be on the safe side, make a nandroid backup in TWRP (system backup) to the external microSD card before the OTA. A backup of your personal data is also useful. More …
TeamWin - TWRP