Have you tried to edit/manage your bouquet list ? I mean reduce the country groups to reduce the file size of your m3u file which might be too big for your TVs cache.my spart IPTV recently worked last night on LG tv but today nothing. having reinstalled app with update and uploded a M3U list file same again(dont have any others) I have bought app subscription and smart IPTV one also good week ago. ALL Channels show as "connecting.... " for 10, 20 30min but that gets me NOWHERE NONE OF THE CHANNELS (black screen of idle death)why? Restarted tv/router unplugged it..still nada... wasting away my day... I've also tried saving list online... help
check this post in regard to LG TV's:what is HLS file instead of MPEGTS?