Most users get their M3U URL via email from a subscription service.
To use "Hot Player" or "Hot IPTV" with an M3U playlist, you must first obtain a playlist URL from a third-party provider, as the app itself does not provide content. 📺 How to Get an IPTV M3U Playlist Download hot iptv m3u
The app will display a unique Device ID or MAC address on the start screen. Most users get their M3U URL via email