How to enter Obi Hornbill S551 Recovery Mode, Hard reset and Remove Unlock Pattern. Recovery Mode Obi Hornbill S551 Turn off the device Press and hold Volume UP key and Power key at the same time for a few seconds Release all key when the Android logo appears Press power key for a short while • Read More »
Tags: factory reset, hard reset, master reset, Obi Hornbill S551, recovery mode