Mine is a sad story indeed. I have been having endless problems with the dreaded "No image transmission signal" on my P3P and for months I just look at it in its nice storage box. The light at the end of the tunnel is I have a friend returning from the US with a secondhand gimbal mother board. I live in Thailand and it should arrive around 14 Dec. Now in the last 2 mths I saved up my pennies and bought an almost new P4 (lest than 4 battery charge cycles). The unfortunate thing is the firmware was updated between the time I inspected the drone and when I decided to go back and buy it. It flew fine when I tested it first time and didn't think to do another test flight when i returned to buy. The seller did not tell me what he had done as I am now sure I would have tested again and found it to be bricked and for those wondering, why don't you just take it back to him? Well I bought it 2 days before he left Thailand for good and I got it for, at the time a fair and reasonable price. So I have spent about 3 days reading all about the problems and we can now add myself to the list of unhappy dji customers. i have tried everything suggested on the many forum threads with no luck. Each time I try to load or refresh firmware with the dji assistant 2, it crashes at 55%. The P4 is about 18mths old and it was purchased in USA I understand, so I am not thinking any warranty work will be forthcoming. I am now just waiting for the next firmware to hopeful solve the issues. If anybody knows how long it will be, i would appreciate a heads-up. thanks Rob