I wanted to film us riding in the forest, but I made the rookie mistake of updating the firmware and not testing before leaving for my destination. Unfortunately, I had nothing but problems. It was a firmware and app update. I had three full batteries, and wasn't even able to use one... First, I could not get my radio to connect at all. Tried every combo and even a hard reset, but nothing. Next, the controls on the phone were very glitchy, and hard to control. Third, when I tried follow me, it could not keep up, even at very low speeds, and it also tried to run itself into the ground, being unable to hold altitude above ground as the terrain inclined slightly. I need to do more testing now, but this video is the results of that day. ... https://www.youtube.com/watch?v=dwQlqXM5fNM