Traditional mobile phone plans are now on the wane in the U.S., but the country's biggest carriers are still bringing in more money and leading the world in revenue, according to a report based on first-quarter results.

Verizon Wireless will add 28 more cities to its nationwide LTE network on Thursday, bringing the total to 258 markets.

A proposed sale of mobile spectrum from a group of cable providers to Verizon Wireless, along with accompanying marketing and research agreements, will lead to higher prices for broadband and mobile customers, a coalition of groups opposing the deal said Monday.

American Express will allow its credit cards to use the Isis Mobile Wallet once the technology is deployed in Salt Lake City and Austin this summer, Isis announced Thursday.

While battery capacities in smartphones has increased, 4G LTE networks are taking their toll on battery life for Web browsing and video streaming, according to a new analysis by Metrico Wireless.

You soon-to-be Verizon iPhone 4 customers can learn from the experiences of others. Take it from iPhone old-timers, you're about to enter a magical world of awesome apps running on the most simplistic, addictive device on the planet.

Even by the new standards of cell phone advertising, the run-up to the HTC ThunderBolt -- Verizon's first 4G LTE smartphone -- was elaborate and expensive. Gatefold ads in mass-market magazines and high-profile TV spots on the Oscars, NASCAR and college basketball all proclaimed that there was a new 4G phone coming from Verizon, but not much else. Inquiries made of HTC and Verizon were met with official shrugs. The company spent many millions of dollars advertising a phone and didn't tell anyone when it would be on the shelves.

To buy or not to buy? That's the question right now as the Motorola Xoom, Google's first Android Honeycomb tablet, gets ready to make its grand debut.

The last week has brought nothing but good news for Microsoft and Windows Phone 7. Between Nokia's hardware commitment, Angry Birds on the way and Microsoft's own announcement of a roadmap for vital features such as multitasking, Windows Phone 7 seems to be catching a second wind in 2011.

A number of different technologies are being developed or improved to offer higher speeds for fixed and mobile broadband networks, as operators are preparing to compete with each other and carry video traffic in 3D and at higher resolutions, which is expected to happen in the coming year.