Wondering why videos won't play on your iPhone? Chances are that your device doesn't support the file format of the video you want to watch. Your iPhone works only with .m4v, .mp4, and .mov file formats for videos. But if you've just downloaded a movie from the web, it's likely saved in either .avi or .mkv. The built-in apps like Photos and Files just won't play such a video.
Don't give up! Our free Documents app can play all your favorite movies. Documents is the best iPhone video player, file manager, and downloader which supports numerous file formats for videos: .3gp, .l16, .m3u, .m4v, .mm, .mov, .mp4, .scm, .avi, .mkv, .flv.
Now, you don't need to worry that videos won't play on your iPhone. With Documents, you can watch videos in numerous formats and even play .avi and .mkv on your iPhone. The app also has a built-in browser so you can download your favorite movies from the web. 2b1af7f3a8