Comcast to offer 4K set-top box this year - CNET
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Comcast Will Air Super Bowl 57 in 4K With Dolby Vision HDR for Xfinity Users - CNET
Comcast Will Air Super Bowl 57 in 4K With Dolby Vision HDR for Xfinity Users - CNET
Super Bowl LVII will screen in 4K and Dolby Vision, but only on Comcast Xfinity
Comcast Will Air Super Bowl 57 in 4K With Dolby Vision HDR for Xfinity Users - CNET
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