“We will be upgrading to a 50” Toshiba 4K. We have X1 with xfinity. TV now has a power plug and another plug from tv to X1 device. With this additional 4K cable, where does it plug in to back of TV port AND where’s it plug into X1 device, Thanks.”

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• The HDMI ports or the back of the tv labeled HDMI and same for the X1 HDMI port of back of cable box

  Answered by Tuftruk 6 years ago

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• If your x1 box has a hdmi output ,your new tv will have 1 or 2 hdmi inputs to plug into.

  Answered by Reese 6 years ago

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• There should be an hdmi port either on the side, rear or bottom of the tv. Different manufacturers have different locations. Also the other end will plug directly into your xfinity box

  Answered by RAM88 7 years ago

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