At 6:00 the author of the video says that it is his own fault and lifted the drone to a height of 25 meters, and the parachute works from 50 meters. There are many videos on youtube where the manti 3 works perfectly.
This is the third time I've asked you for the source DNG file from evo 2 v3. Can you post it here? Why are you ignoring my request? You keep writing here, but it's like you don't read the previous posts.