hi all i bought this tablet : RK2918 9.7inch Tablet-Pc. a few days ago(in china) and there a few thing i need your help with. 1. is that the real device model? i don't find it any where in the web, how (or where) can i find the device real model(maybe some where in the device himself) ? 2. the tablet come with an separate charge and when i put him on the my computer he doesn't charge the tablet (unlike other tablets), why it that? is there a way to make it charge from my PC also? 3.when i connected the tablet to my PC he didn't find the drivers, where can i find the right drivers from this tablet? 4.the most annoying problem i see in the internet that most of the store sell this tablet with android 4.0 on them. but my tablet come with 2.3 android, can any one send me a link to a upgrade? or any kind of assistance for this problem.... Thanks in advance for all your help.