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.

Xfinity fiber-powered internet results in 99.9% network reliability. Combined with low-lag technology and unlimited data, it delivers consistent performance even during peak household usage.

Is Verizon Fios or Xfinity better? Verizon Fios and Xfinity are some of the top providers nationwide, and while both offer competitive internet services and price guarantee of up to five years, CNET ...

An outage that affected numerous Xfinity and Comcast Business customers in Houston has been resolved. Comcast says the outage is due to "back-to-back acts" of possible vandalism to the company's ...

Xfinity customers have taken to social media to complain of an outage. Xfinity is a division of telecommunications giant Comcast. The outage appears to be nationwide throughout the US. Xfinity ...