Groove - Factory Reset
If your Groove will not turn on or charge, you might need to perform a factory reset.
Please note that this reset will not be applicable to the Groove II. If you are unsure which model of the Groove you have, please contact support for help!
To do a reset, press and hold the power button for 25 seconds.
After this the Groove will be reset.
NOTE: The battery may need some time to charge before this will work if the battery is totally dead