Originally Posted by kreissaege
1. Power off your device.
2. Press and hold the VOLUME DOWN and ENTER buttons, and then press the
RESET button. (...the Red Button under the cover on the backside)
Now you will become a "Boot-Screen-Message"
3. Press the VOLUME UP button to perform the hard reset, or press any other
button to cancel the reset.
OK following the indication of this method I have succeeded in making a Hard Reset of the Jade 100 (Touch 3G).
Here as I have done (way 3):
1. Power ON
2. Press and Hold for 10 seconds
contemporarily VOLUME DOWN + ENTER (central key on the frontside) + RESET (the red button under the cover on the backside).
3. The device will be restarted and will ask to press VOLUME UP to complete the reset.
It works so well that after a week of test the shop where I have bought him has replaced it with another model (I am waiting for the HD