Modern iPhones usually record in H.264 or HEVC (H.265) .
This usually means your player doesn't have the right audio codec (like AAC or AC3). Switching to VLC usually fixes this. IMG_2033.MOV
If the video stutters, your computer hardware might struggle with high-resolution (4K) or high-frame-rate (60fps/120fps) footage. Modern iPhones usually record in H
If you need to share the video with someone who can't open .MOV files, converting it to .MP4 is the best solution. IMG_2033.MOV
This happens on Windows when the video was recorded in "High Efficiency" (HEVC) mode. You can change this in your iPhone settings under Settings > Camera > Formats to "Most Compatible" for future videos. 4. How to Convert IMG_2033.MOV to MP4