1. At the first step turn off the phone completely.
2. Press and hold both Volume UP and HOME + power on the phone. Keep pressing the VOl + home.
3. When Android Recovery menu screen appears release all keys.
4. Navigate and highlight “wipe data – factory reset” using the Volume down key and press power.
5. Navigate and highlight again to Yes – delete all data and press power.
6. All data will be lost! Before doing a hard reset backup all important data.
After hard reset is done select Reboot system now. Press power to reboot the phone.
call you now Tamrakar mobile lab & reserch center.