When dealing with an unlocked or locked phone, the question is whether or not the device can work on a specific wireless network that's different than the network the phone was designed to work on. An ...

Nokia and Sony Ericsson are looking to crack the unlocked phone market in the U.S., but their quest will be an uphill battle. Marguerite Reardon started as a CNET News reporter in 2004, covering ...

Handset makers in the U.S. are dabbling in selling phones directly to consumers, but will the model be attractive enough to consumers? Marguerite Reardon started as a CNET News reporter in 2004, ...

Cell phones are practically essential in today’s world, but not everyone likes to be tied to a 24- or 36-month contract. With an unlocked cell phone, you can choose a pay-as-you-go or a contract-free ...

Let’s say you’re a customer of Mobile Phone Operator A, and their customer service is just plain terrible. You’re paying more than you’d like to pay for sub-par speed and service, and you’re just ...

Over the past year, T-Mobile has attracted millions of new customers; however, it has also lost loyal customers at an ...

Smartphone reviews often ignore an increasingly important feature: the ability to switch from one cellular carrier to another. Here's why that capability matters. The decline of long-term cellular ...

A former owner of a T-Mobile retail store in California has been found guilty of a $25 million scheme where he illegally accessed T-Mobile's internal systems to unlock and unblock cell phones.

Wireless-carrier T-Mobile USA lost a California Supreme Court bid Wednesday to kill a lawsuit challenging the company's early-termination fees and its practice of locking down phones to work only on T ...

Two former owners of an Eagle Rock cellular phone store accused of “phishing” login information from T-mobile employees and making more than $25 million by fraudulently unlocking thousands of cell ...