"Hi There - this a bit of a long shot but did you manage to get an answer to your problem of no USB. I have the same problem and thought I may have read somewhere that it is possible to program the board some other way.
"Chris sorry I did not pick up your request earlier. It was time for the new garage roof before the winter sets in. pleased to see you have resolved the matter.
Happy flying
"Hi - I to have just had this problem. I needed to replace the micro USB on my board which I did and just so happened to upgrade MP at the same time. I keep getting "There was an unexpected error" and 'Bad Firmware" when trying to upload hex profile.…"
"Hi Dean You are a star, it fixed it for me also. So simple. I forgot one of my golden rules. When something goes wrong back to basics and go forward from there. Many thanks. Richard"
Hi all - Following a reset on my ARM2.5 with the latest firmware and a fresh set up on my DX6i my 450 quad lifts off OK - however when I increase the throttle slightly the quad just keeps going up. I have a completely basic setup I have not…