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Screen: 3.5 inch LCD 320x240 Pixels
CPU: JZ4770 1Ghz Mips
GPU: GC860 OpenGL2.0
RAM: 512M DDR2
Internal memory 16GB
Battery: 2200 mAh.
Click the screen then scroll down to see how to upgrade the firmware to the latest opendingux.
Click the screen then scroll down to download the latest opendinx firmwares.
Click the screen then scroll down for instructions to unbrick your device and download the rescue cd-usb or to copy to a new bigger sd card.
I have changed my analogue nub on my gcwzero to a smaller one and it works well if anyone is interested its a mouse nub from the gpd pocket.I would recommend to put some double sided tape inside to keep it stuck works wonders.
