p3 no video

dear flyyers. I have both GL300A and GL300B. The difference is the video unit processing the view on the ipad. I have exchanged the prints from both remotes but get no vision on ipad. Can anyone tell me if it is possible to exchange the prints? The a controller is in better condition and the b...

Same problem as many that I have seen, but I have found no answers yet. I purchased my unit on Saturday (2 days ago) I have 14 days to return it (Should I?) My Phantom 3 Professional is not looking very professional on connection. Everything works except the Real time flight view and...