weird

Hi everyone, my p4's motor's got a weird noise, listen here: never had no crash, I can hear a kind of whistling when it's flying. I noticed that it's a bit shaky some times as well. Thanks for your answers Simon

Hi, yesterday morning as usual I turned on the RC and then the Phantom, but the gimbal was acting very weird. I haven't crash it yet (I've got the drone since a few weeks only and never had a problem with it) so I don't know anything that could explain it.. Here is the problem: the camera can't...