To perform a hard reset
1. Power off your device.
2. Press and hold the VOLUME DOWN and ENTER buttons, and then press the
"The following message then appears on the screen:
This operation will delete all your personal data, and reset all settings to manufacturer default. Press Volume Up to restore manufacturer default, or
press other keys to cancel."
3. Press the VOLUME UP button to perform the hard reset, or press any other
button to cancel the reset.