It seems you're referring to a specific video file or a feature associated with a device (like a dashcam or smartphone) that generates files with the "S0086.mp4" naming convention. If this is a file name generated by your device, 1. Sequential File Numbering
If you can tell me what device recorded this (e.g., a Garmin dashcam, a Samsung phone, a drone) or where you saw the name, I can give you a much more specific technical feature list for that exact model. Which device or app produced this file? S0086 mp4
This feature prevents your device from overwriting old footage and makes it easy to chronologically sort your videos in a file explorer. 2. High-Efficiency Compression It seems you're referring to a specific video