Got my new P3 today. So exciting. Decided to update the firmware as per most Web instructions I had read and the phantom updated without incident. Took the text file off, inserted the sd card in the remote and.... Nothing. Doesn't matter what I try it will not start updating. Yes it's in the root, yes I have tried different sd cards and usb sticks, different sd to usb adaptors and nothing works. Please help. Would love to know what to do.