First, traditional mode restore factory settings
1.Recovery we put the hands of the machine, and then at the same time press the "Power-on Key and volume reduction-" You can enter the Recovery mode.
2. After entering we use Volume key to move select "Wipe data/factory reset" after pressing KO confirm key to enter.
3. Then move to YES Wipe all user Data confirmation
4. Finally, we move to the wipe cache partition again to confirm the factory can be restored.
5. Enter the system again as shown in the following illustration:
Two, the use of red rice with the function of recovery
1. We press the virtual key "three" on the phone and click "System Setup" to enter the following image.
2. Now we click on "Backup and reset" to enter, as shown in the following figure
3. Then we find "Restore factory settings" click on it to enter.
4. If you want to remove the SD card we can choose, otherwise do not choose to click the "Reset Mobile Phone" button.
5. Then we click OK "confirm Reset"
6. All right, so we can reboot the phone after the phone is back to the factory setting.