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\n<\/p><\/div>"}. Go to https://www.xfinity.com/activate in a browser. It is not seperate from the TV itself. For example, there's no Disney Plus and no AT&T TV Now, but the service added Sling TV and Spotify in the months that followed its release. You need to enable UHD HDMI Color (Input Signal Plus). The provider determines if HDMI-In will be active or not. Ex. Note: Depending on the available ports on your computer, you may need an adapter. Xfinity Cable Box Option from Home on ROKU Had to do it twice on my TV. 12 Easy Solutions, How to Clean a Flat Screen TV (And What to Clean It With), How to Hook Up a Smart TV to Cable (Setting Up Your Smart TV), How to Fix a TV With Picture But No Sound, How to Measure a TV: Simple Measurement Techniques, http://customer.xfinity.com/help-and-support/phone/how-to-activate-your-self-install-devices/, http://customer.xfinity.com/help-and-support/cable-tv/x1-stb-activation/, http://forums.xfinity.com/t5/X1/X1-mini-cable-box-won-t-connect/td-p/2500935, http://customer.xfinity.com/help-and-support/phone/self-install-basic-troubleshooting/, http://customer.xfinity.com/help-and-support/cable-tv/x1-errorcode-rdk-03007-unable-to-connect-to-xfinity-tv.