If you are looking for the software itself, "BoxTV" refers to various media player apps for Android and Smart TV devices.

In the world of IPTV, a .txt file like boxtv.txt is often used as a simple playlist containing streaming URLs for live TV channels, movies, and series. These files are used with media players that support text-based or M3U-style lists.

: Most IPTV players, such as IPEXO IPTV Player , allow you to "Add a playlist" by importing a local file or entering a web URL. 2. BoxTV Application (APK)

: Another variant for Android TV devices that requires a provider-issued username and password to function. How to Install BoxTV on Your Device