The official app now supports watching on Fire TV, Android TV, and via Chromecast without needing an M3U file.
An M3U file (pronounced "m3-u") is a plain text file that contains a list of multimedia URLs, typically used for streaming audio or video content. The file format is widely used for IPTV (Internet Protocol Television) services, allowing users to access live TV channels, movies, and other content over the internet. M3u File For Jio Tv UPD
An file is essentially a plain text file that acts as a playlist. It does not contain the video or audio data itself. Instead, it contains a list of URLs (links) that point to specific media streams. The official app now supports watching on Fire
To get the best experience, use a player that supports EPG (Electronic Program Guide) so you can see what is currently airing. An file is essentially a plain text file