With a massively popular movie star as its face, Mint Mobile has made a huge splash in the wireless space. Its ads featuring former part-owner Ryan Reynolds were inescapable at one point, with the ...

Celebrities have long put their names on everything from shoes to cosmetics to snacks. Now, they’re attaching their brand to mobile phone networks. Instead of building their own networks, these ...

For as long as the industry has existed, mobile carriers have been competing to offer the biggest and fastest mobile network. You can find yearly stats on the big players' speeds since the 3G era.

Ookla’s latest speed-test report has found that T-Mobile is this year’s fastest mobile network, offering the speediest downloads overall, and the fastest 5G. For home broadband, AT&T Fiber took the ...

In an exclusive chat with T-Mobile executives before the announcement, I learned which moves took the carrier from No. 4 to the top. Jeff Carlson writes about mobile technology for CNET. He is also ...

When an Android phone shows “Not Registered on Network,” it means the device is unable to communicate with the carrier’s ...

Marguerite Reardon started as a CNET News reporter in 2004, covering cellphone services, broadband, citywide Wi-Fi, the Net neutrality debate and the consolidation of the phone companies. Satellite TV ...