Use playlist loader, download your M3U list from service provider, select the list with options. Edit if you need to with VLC, save the playlist as a .txt file. Open Playlist loader and find your .txt file and import.
Channels 780-784 are very choppy and pixelated. They are in watchable at times. I've rated on a mag25; and dreamlink t1. Using rocket server. Could you please look into this.