The official Pluto TV app is always free and ad-supported. The M3U route is for enthusiasts who want unified channel lists. When in doubt, go back to the official app—it never buffers.
Alright, with that out of the way—let's fix your stream. Most "broken" playlists are simply using old URLs. Pluto TV changes its stream IDs regularly. pluto tv iptv m3u playlist fix
However, many advanced users want to take Pluto TV out of the official app and integrate it into like TiviMate, IPTV Smarters, OTT Navigator, or Kodi using an M3U playlist. The official Pluto TV app is always free and ad-supported