If you want, I can: (a) generate exact commands for your Linux distribution and kernel version, or (b) walk through extracting firmware if dmesg reports a missing firmware file. Which do you want?

Because this is a (MP4) and not an application or software package, it does not require an "installation" process. To view the content, you simply need to download the file and open it with a standard media player. How to Play the File

Once the trim is off, remove the mounting screws holding the factory unit in place.

# 1. Verify file type file atid623mp4.ko