Xfinity will let you rent a modem when you sign up for its Internet service, but you do have the option of using a third-party modem instead. Here's how.

PHILADELPHIA--(BUSINESS WIRE)--Comcast’s Xfinity Communities today continued the momentum of its successful trials by officially unveiling WiFi Ready, an offering where Comcast preinstalls wireless ...

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Free Xfinity Mobile line with unlimited included for one year – no fees or taxes Following the successful launch and positive consumer reaction to Xfinity’s new 5-year guarantee, the nation’s largest ...

The first residents in Ona, West Virginia, are now connected to multi-gigabit, symmetrical Internet from Xfinity. This is a ...