drone

A DJI Phantom3 4K version came back from overhaul and found that it could not connect to the controller. It needed to be re-linked, but I couldn’t find where the linking button was. I searched online for a long time, and they all said it was in the second hole on the side, but this The hole is empty and there is nothing. Finally, I asked all the drone students and teachers. No one knows. The key is to ask DJI online customer service. Front...