Hey gang. I’m using an iPad Pro with the latest update, iOS 11. I tried my first long distance flight with this set up the other day. I’ve only had the iPad Pro for a couple weeks now. Using an old Amazon Fire  craplet I reached 8800 ft. But when I tried to go long with my iPad Pro at 3300 ft I lost video feed and had to return home. Anybody have any thoughts on why this would be? I haven’t done any setting up of the iPad Pro at all, just running straight out of the box. Thanks
Sorry..my UAV is a Phantom 4.

Oh and the AC and RC firmware is from like December 2016 as I haven’t taken the latest update.

You want to make sure that the firmware and app are both up to date. Relink the remote. Also, check your USB jack.