Terrible video, no explanation, just worried about playing some corny music and forgot to inform about what tool to ise, what glue. You need help making instructional videos.
I actually ran that tool on a Mavic Pro I rebuilt. It had a crash when I was just 5 feet off the ground. when a motor was giving out. I was able to see "Motor obstruction" in my flight log from that time frame. Anyway with this tool I was able to figure out which one was bad.
How did you make it fly using lipo battery ...? It won't work for my DJI spark ...it appears to have battery connection error ...even though my connection is correct ..can you please teach me how you do it ....thank you