Ordered my Mavic Nov. 4th and FINALLY recieved it Jan 21st only to discover that the left controller stick isn't working! I'm greeted by a god awful beeping and a screen prompting me to recalibrate the controller. When I attempt to re-calibrate, it doesn't recognize my left stick... at all. Nothin. Notta. (Right stick is fine and regisers when calibrating) I upgraded firmware. I degraded firmware and then re-upgraded firmware. I updated DJI Go4 then uninstalled it and re-installed it. I can get the aircraft to launch and hover but neither of the sticks respond when the aircraft is hovering. I was able to land via RTH. Thoughts? Ideas? Pretty irritated right now.