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X1 TV Box equipment types - Xfinity Support
Xfinity X1: Our Best Live TV & More
Xfinity X1 Review | Cost, Features, & More | CableTV.com
Comcast Xfinity X1 DVR Review
ANSWERED: Side by side Xfinity X1 TV Box Comparison - DVR vs.
ANSWERED: Xfinity X1 Boxes and IR Locations
How To Setup Xfinity X1 Cable TV Box - YouTube
Xfinity TV and Internet Equipment Guide: Order, Upgrade, & More
Tips on setting up the Xfinity X1 cable box - CNET
How to Set Up a New Comcast Xfinity TV Cable Box - YouTube