A:AnswerI was told by the Geek Squad that Direct TV is the only service that is currently offering 4k channels. I have Comcast and it still looks pretty good. No internet sort of rules out the Smart aspect of the TV.
A:AnswerSamsung uses UHD (ultra high definition) in place of 4k. Tomato/Tomato. Did you hook up the tv? The definition is noticeably better than 1080p.