Mine started working last night - so check that. If still an issue look for solution that takes the display from dstv app on your phone and show on your tv. Many solutions including web casting etc. My current solution is an app on samsung phone called dex - which displays whole phone on tv...
I had same issue. dstv app on samsung tv-> White screen -> browser trying to load leanback web app via googletagmanager. First it was intermittent then about a week ago it was all the time. I found some other way to stream dstv on my tv (via phone) in the meantime but it was a pain. Yesterday I...