SS IPTV

Ok, so how can I fix it ? Do you have some solution ? tnx

Hi, I have Samsung TV UE43MU6172U model with payed Smart IPTV app. The problem is that only small playlists with no HD quality can play on this app. If I upload a bigger playlist as 1000 + channels it doesn't play (they are shown also with EPG but dont play). All of the playlists btw have worked on ...