NOTE: You can clear the data inside the device by make a facory reset.
Steps for formating the device:
1) Power off iGS20E
2) Connect iGS20E to power adaptor by USB cable
3) Hold left and right button at the same time more than 5 seconds until “FA” display on the screen
4) Disconnect iGS20E to power adaptor
Note: Factory reset will clear out all data, please backup activity files before factory reset.