A is a "workhorse" file. It isn't built for beauty, but for endurance —likely containing an hour or more of footage meant to be accessible on almost any device on the planet, regardless of its age or processing power.
Ensure there isn't unnecessary "padding" or attached data within the MP4 container. Final Verdict 360p mp4(503.77 MB)
At standard compression, a 503 MB file would be approximately 60 to 90 minutes long. A is a "workhorse" file