eachine wizard

Hello there! I am doing a project work on drone usage now and in the future and am searching for input because Reddit has been kind of hesitant on providing it and I thought that this would be a good and fairly diverse community to survey. Here is the link if you decide to do it...

Anyone can help me? I dont know what is happening with my drone, but sometimes, in mid-flight one of my motors kinda gets stuck and the drone flips over and fall (video below). I didnt had any major crash, but i suspect it can be one of the ESCS. Also i have recently flashed Betafligt on the...