Any recommendations for repair places other then DJI ? P3P with sporadic loss of video still a problem after trying everything this forum has suggested trying. Would send back to DJI but my unit may be a refurbished one. Bought from a local hobby shop, not authorized dealer, so no warranty available. Thought I bought new but found a sticker on the box saying it was refurbished. When questioning the shop owner he says the real box got destroyed and he used whatever box he had laying around. To much of a hassle to fight to get a refund. I'm willing to pay for a fix as I really enjoy this hobby. Any suggestions?