HI guys:
Cube just release the beta firmware for their Cube u30gt2 quad core tablet pc. Cube u30gt2 is the first RK3188 quad core tablet pc come with 10.1 inch IPS Screen, get lots of positive feedbacks.
Now CUBE release this android 4.2 beta firmware, If you have got your U30GT2, then you can try it.
here is the firmware download link
password is geekbuying.com
It’s the newest 0425 beta version 
Some screenshot after you flash this beta firmware:
