: This is an Apple-developed format. If you are having trouble playing it on non-Apple devices, you might need to use a versatile player like VLC Media Player or convert it to MP4 using HandBrake .
To provide a helpful review, I wouldIf this is a video you are creating or watching, here is what typically defines a high-quality clip from that era: Vid 20180924 130232-4m4v
: If the video is shaky, it may lack modern optical image stabilization (OIS). : This is an Apple-developed format
: By 2018, most flagship phones (like the iPhone Xs or Samsung S9) recorded in 4K or 1080p. Check if the image remains sharp or if it suffers from "noise" in low light. Vid 20180924 130232-4m4v