Downloading channels through an like "shirley123" is a common way to access live TV, movies, and other media on streaming devices . An M3U file is essentially a text-based "roadmap" that tells a media player where to find various internet streams. How to Use an M3U Playlist

To watch channels from a playlist like shirley123, you need both the (or file) and a compatible IPTV player . Free Iptv Links M3u Playlists - sciphilconf.berkeley.edu