A SIM card is a necessity for connecting your phone to a cellular network. Unfortunately, that necessity can come with a very big risk. Criminals use a tactic called SIM fraud or SIM swapping to gain ...

Physical SIM cards have long been synonymous with phone numbers. They've changed greatly from what they once used to be — giant cards you'd have to put in after removing your phone's battery – but ...

Sometimes switching mobile carriers is necessary to get the best price and coverage. But the process can be a hassle, especially if you have to upgrade your phone at the same time. Luckily, with the ...

Customer support sure is nice, though. Customer support sure is nice, though. is a senior reviewer with over a decade of experience writing about consumer tech. She has a special interest in mobile ...

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Wireless company T-Mobile US Inc. is teaming up with Capital One Financial Corp. to issue its first credit card, which will feature no annual fees and 2% in T-Mobile rewards on every purchase. The ...

Two years ago, T-Mobile announced a controversial decision to ditch its AutoPay discount for Apple Pay and credit cards payments. Its reasoning at the time, of course, was that it pays higher ...

Apple’s latest release, the iPhone Air, has officially brought eSIM technology to China for the first time. Approved by regulators as part of a “commercial trial” involving China Mobile, China Unicom, ...

Law enforcement agencies dismantled an extensive cyber-as-a-service operation that authorities say was behind a staggering 49 million online accounts used for malicious activity. Seven individuals ...

These two ways of connecting your phone to a cellular network are very different. We tell you about each and how you can switch from one to another. I started my career with CNET all the way back in ...

A plot to cripple the telecommunications infrastructure – discovered in New York City as world leaders gathered for the United Nations General Assembly – has proven far more extensive than initially ...

Federal agents with Homeland Security Investigations discovered an additional 200,000 SIM cards at a location in New Jersey, law enforcement sources confirmed to CBS News. Agents were first tipped off ...