It's frustrating, my RC and AC keeps getting disconnected. It gets disconnected after just a few minutes. Good thing I really haven't flown it and just been hovering testing it out outside. Cause ones it disconnects I can't control the AC. My first hover got disconnected and I had to wait for the battery to drain and it just landed itself. I've tried reconnecting by power cycling the RC and relaunching the app on my phone while the Spark hovered. Nothing works. I'm gonna contact DJI for help. Any suggestions welcome. Thanks.