Thanks Morgon but in my case I installed the Phantom 3 and the transmitter separately (following the DJI instuctions). The second was ok but the first began to do the problem shows in the video. I've been trying more than 10 times and I get always the same issue... Some recommendation?
I'm trying to upgrade my Phantom 3 Professional firmware (v1.2.6) but during the process the device show the red light permanent on and the beep sound constant. It error has happened 8 times and I had tried with different SD card. What else can I do?
PS: Please watch attach video:
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