New firmware really doesn’t like the old code, I’m still working on it.
I have 2 brand new SUHD tv’s I want to use it on, a UN65KS9800FXZA and a UN78KS9800FXZA , plus 2 other UHD that are only a couple months old. Extend should work on the 2 9 series but can’t get a straight answer on that.