I am seeing this exact thing in my newly installed F900 2.0. AT first, there were random reboots that I assumed were caused because I had been hitting a lot of commands simultaneously. However, it now reboots constantly. I have noticed something strange about the reboots though - it only happens when I am moving! I can sit at idle, and it works like it should. Once I move though, the reboots start. On top of that, they seem to happen with more frequency the faster I go.
Additionally, I have noticed that the 3D map is insanely slow to draw/redraw compared to the 2D map.