China has over 900 million mobile phone users

China had more than 900 million mobile phone subscribers at the end of April with nearly two-thirds of the world's most populous nation using cellular technology, the government said Tuesday.

More T-Mobile USA subscribers flee

(AP) -- Subscribers on contract-based cell phone plans hung up on T-Mobile USA in record numbers in the fourth quarter, as it continues to lose the battle against larger carriers.

Sprint gains contract subscribers in 4Q

(AP) -- Sprint Nextel Corp. said Thursday it managed to post a quarterly net gain of contract subscribers for the first time since 2007, as its turnaround continues.

Government report: 4 cos. control wireless market

(AP) -- Consolidation over the past decade has left just four big carriers in control of 90 percent of the wireless market, making it harder for small and regional companies to compete, according to a government report released ...