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user_1lh0u0
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Thursday, September 11th, 2025

4K Box Question

I just bought a 4K TV.  I have a 4K box on one of my TVs (the cable into the room didn't work - so, the technician used a 4K wireless box).  If I take that box and plug it into another HDMI port on my new TV - will I be able to use it while my old Box is still plug'd in... In otherwise, If I select the HDMI port with the wifi box - I should be able to see how 4K looks via the wifi.  If I select the other HDMI with the old box - I will be able to watch TV normally.  If the WiFi works - I will just move the old box to another TV in my house.

Thanks!

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1 month ago

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XfinityRichard

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1 month ago

Hi there, @user_1lh0u0 Yes, you can plug the wireless 4K Xfinity box into a different HDMI port on your new 4K TV to watch it, and your other box will still work normally on its HDMI port. You'll use your TV's input selector (remote) to switch between the ports to view the content from each box. For the wireless box to display 4K content, you need a 4K-certified HDMI cable and to ensure the TV's resolution settings are set to 4K.-Richard

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user_1lh0u0

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@XfinityRichard​ Thanks!

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1 month ago

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XfinityMarcus

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@user_1lh0u0 no problem at all, what other questions did you have for us regarding your equipment or account?

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1 month ago

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user_1lh0u0

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OK - I picked up a WiFi box and it worked perfectly!  Now, next problem (smile).  Do I have to keep my main box (PX013ANC) in order to keep my DVR, etc. features going?  If so, can I just move it to another TV not on Comcast?  I am confused at this stage.

A little clarification may be needed.  I have the main box going to HDMI-1 and the WiFi one going to HDMI-4. I use the INPUT on my remote to select which HDMI port I want to see on TV.

Thanks!

(edited)

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1 month ago

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XfinityRichard

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Thank you, @user_1lh0u0 Yes, you must keep your main X1 DVR box (PX013ANC) connected to your Comcast cable service to retain all of your DVR features. You would not be able to move it to a TV that does not have Xfinity services. Yes, you can plug the Xfinity 4K wireless box into a different HDMI port on your new TV and use it while another box is still connected as long as the wireless box maintains its connection to the main Xfinity wireless gateway.-Richard

I am an Official Xfinity Employee.
Official Employees are from multiple teams within Xfinity: CARE, Product, Leadership.
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Was your question answered? Please, mark a reply as the Accepted Answer.tick

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1 month ago

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XfinityRichard

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It's my pleasure to assist you, @user_1lh0u0 No, you cannot plug an Ethernet cable from your router's Wi-Fi to an Ethernet port. The wireless signal is transmitted via radio waves through the air, not through a port that can accept a cable.-Richard

I am an Official Xfinity Employee.
Official Employees are from multiple teams within Xfinity: CARE, Product, Leadership.
We ask that you post publicly so people with similar questions may benefit from the conversation.
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1 month ago

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