Note: Restoring factory settings will delete all download applications and user settings, so all data will be lost. Remember to back up your data before carrying out a factory restore.
- Tap the Settings icon from Application page
- Tap Backup & reset and scroll to the bottom of the list
- Tap Factory data reset
- The system will enter an erasing data state and the screen will go off. This process takes around 10 seconds, after the erasing process, the system will automatically reboot.
For further details, please refer the manufacturer's instructions.