hello together I bought one APAD m002 from china, android 1.7 is installed. Can someone tell me if i can INSTALL a different OS? how can I make one at all an update?thanks Details: ?CPU:VIA MW8505 533MHz ?RAM:128 DDR ?Hard Disk:2GB NAND Flash ?WIFI:802.11B/G ?7" TFT LCD SCREEN/Resolution:800*480