Thanks Somel for the info, it is already known the Samsung Connect app works the Tv`s, Smartthings just takes some of the Connect info and auto populates ST with basic Tv integration, this has been the case now for a few months
The St app for the Tv does work as you say for basic stuff … on/off channel change, volume, however if the TV has been off overnight the St app will not switch it back on
Knock yourself out with this thread Samsung tv has lost Smartthings connection