If anyone wants to watch the video before Mitch1128 comes back and fixes it, you can use a hex editor like HxD to edit those four bytes and make the file work
View attachment 4713860
View attachment 4713863
The image with73 C0 71 5A
is the broken file, while the fixed one contains75 3D E9 9A
.
thx ,but how did you found that out ?