hello ! Please help me with this problem: I have dvd auto with this rom is for ewaygps ew861b . Right now don't see the only in start gps card in setup no. I undestern that update is work with this gps slot. Is work and with usb ? Rom update.zip - FileFactory I want to root and optimization screen interface. I want something more fast.Please help me , I am new in android. Here is some problem what I have with rom and version . Thanks.