I just went to the new X1/4K box and am having the same issue. It first started with me when I went to HDMI 2 for 4K Apple TV. It doesn’t happen all the time, so I’m trying to pinpoint when it happens. So here’s my question, do I really need the Xfinity 4K box since nothing is broadcast in 4K. I don’t use the apps on my Samsung 4K UHD nor do I use Netflix, You Tube, etc through Xfinity. I use my 4K Apple TV for all that. So, am I better off going back to the “old” box?
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