PrimeStreams connection

Hello so i have went under Live TV and added M3u tuner ive got the urls plugged in for the m3u and under the guide i have the link for the epg but for some reason only 75 channels of the 2000+ i have with primestreams service comes up when i run the app on my Nvidea Shield any reason for that??

thank you

Do they show up in the web interface?