: Indicates the file was captured as "Image" media (often used for both photos and videos). 20200330 : The date the video was recorded ( March 30, 2020 ). 121317 : The exact time of the recording ( 12:13:17 PM ).

: You can rename the file (e.g., March_2020_Lockdown_Walk.mp4 ) without damaging the video data, making it much easier to find in the future.

: If this video is sentimental, consider backing it up to a cloud service like Google Photos or iCloud, as local storage on phones can be lost or corrupted.

The string of numbers is not random; it follows a specific chronological format: