I bought a Dropad A8 and received it last week. All was well until I decided to upgrade my firmware in order to use my USB bluetooth dongle with it. The upgrade didn't go successfull, stoped in the middle, and now the tablet won't even start. I press the power button, and nothing happens. Tried charging, pressing many buttons simoutaneously, going into firmware upgrade again, but nothing happens. It just doesn't turn on at all. I don't know what to do and if I can't get this right I'm going to complain to the site and ask for a refund as I have not done anything wrong and it wouldn't upgrade the firmware properly. Please, anyone, help me! Thanks in advace, Daniel.