So when a company offers a $500 for any new customers buying an iPhone X, you have to sit up and listen — even if that company is Xfinity Mobile, the wireless arm of Comcast. The deal Xfinity ...

Boost Mobile and Xfinity Mobile both have their own networks, with backup coverage from AT&T and Verizon, respectively ...

First, since Comcast Xfinity offers multiple services, you can potentially get another $10 to $30 a month off your internet bill for two years if you have an active, qualifying Xfinity Mobile line.