The filename indicates a video originally from TikTok that was downloaded using SnapTik, a third-party tool for removing TikTok watermarks.
If the link shows the video is unavailable, the creator may have deleted it or set it to private . How to Find This or Similar Videos Snaptik.app_6835360686252608774.mp4
: The long number after the underscore in a SnapTik filename is the TikTok Video ID. The filename indicates a video originally from TikTok