Do you have more context on where you found this filename, or
: You found this file in your phone’s storage or a cloud backup and are trying to identify what it contains. VID-20201219-WA0370mp4
If you are searching for this specific string, it is likely due to one of the following: Do you have more context on where you
: A sequential serial number assigned by the app to distinguish it from other videos saved on that same day. .mp4 : The digital container format used for the video. Why you might be seeing this VID-20201219-WA0370mp4