However, , you absolutely can achieve it. By installing Duple IPTV or Smart IPTV from the LG Content Store and configuring it with your Xtream Codes credentials (Username/Password/Server), you get 95% of the same experience.

LG TVs (especially older models) have weak Wi-Fi chips and RAM. Fix:

Xtream Player is an IPTV application that streams live TV and on-demand content via M3U playlists or Xtream Codes-style credentials. On LG TVs, apps must be available through the LG webOS store or run via compatible sideloading methods; performance and availability vary by TV model and webOS version.