Which service is causing issues are they the same or both different ones? Have you tried searching for other iptv issues here yet? There are many topics in discussion! Hit the search bar magnifying glass at the top and type in something like “iptv issues” or “(brand name) iptv issues” etc. You’d be surprised what cha find!! 
Here’s an example of something….
Not sure if you’re using a stick or this particular service or not but 
Ustv247.tv issue