: 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 ).
Since this is an .mp4 file, it is encoded using a digital multimedia container format. This makes it highly compatible with almost all modern devices, including smartphones, PCs, and smart TVs. IMG_20200330_121317_239.mp4
: 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. : Indicates the file was captured as "Image"