Yesterday I was flying as usual, and everything was fine. I was about 1,200 feet away and 150ft up with line of sight. My screen showed loss signal so I started walking toward it trying to restore signal. I waited and hit return home but nothing. Finally got in the car and drive around and found it crashed on a sidewalk. It didn't hit anything and wasn't at the home point. It just fell right out of the sky. I had 68% battery so it wasn't that. I had 17 satellites and everything was updated. Camera broke off the gimbal and one motor seems pretty bad. I put it in healthy drones and I don't see anything out of the ordinary. Of course the sd card cuts out before the crash...any thoughts?