the .zip file directly to the root directory (the main folder) of the tablet's internal storage. Do not put it in a subfolder or unzip it .
support (using the "AppLibs" store instead), many users seek custom ROMs. Uberoid ROM: A popular third-party modification for the Uberoid Jelly Bean 4.1.1 Arnova 10d G3 Firmware Rom
First boot after flashing takes up to 10 minutes (do not interrupt). Arnova 10d G3 Firmware Rom