5" quad wiggles with throttle change, lost video mid air and desynced(i think) - Blackbox + DVR

[visual sage]

Hey, could someone help me how to fix this / what to replace? It's kinda unflyable, mainly now after the crash..

i'm compressing the video rn, here's the blackbox data from the flight:

https://www.youtube.com/watch?v=gg_qJhb6naU

you can see it right after the arm