That's really strange. There's a bunch of us on here that do have the same SM-T290 (North America) tablet and have been using it successfully for both the Mini and MA2. Take it, we did tweak a few settings within the Fly app to eliminate the choppy live video feed, other than that, it works well. Maybe before returning it, reinstall the app to see if it makes a difference, even a full device reset might not hurt either.