Basic rule of drone flying signal stability is to maintain a clear LOS (line of sight) for an unobstructed signal. If you can't see the drone with binoculars because something is in the way (not because it is too small to see), your signal is...
I seem to recall on here some time ago, another pilot recommended EXTENDING he knobs by replacing the OEM with some 1" to 1 1/4" machine screws! Their comment was that it gave them better control, so I guess what ever works for you!
I did finally get it to download on my Samsung (android) tablet. It seems androids have temperaments or attitudes as opposed to apples? As I mentioned, I believe my problem was in the tablet settings, and giving permission to download from the...