An unlocked phone is the key to getting service from an alternative carrier. Here's how to check if a phone is unlocked.

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 ...

SIM cards, the small slips of plastic that have held your mobile subscriber information since time immemorial, are on the verge of extinction. In an effort to save space for other components, device ...

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, ...

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 ...

The U.S. Secret Service dismantled a massive telecommunications network hidden throughout the New York City area, forcing investigators to confront a startling reality surrounding threats to national ...

Add Yahoo as a preferred source to see more of our stories on Google. SIM card Image by Canva The Secret Service has announced that it has dismantled a covert network of servers and SIM cards in New ...

NEW YORK (AP) — The U.S. Secret Service has found and is quietly dismantling a massive network of “SIM farms” across the New York area just as world leaders gather for meetings at the United Nations.

A massive illegal electronic device network capable of crippling cell towers and jamming 911 calls across New York City was uncovered by the Secret Service — just as world leaders prepared to descend ...

The Secret Service announced that it dismantled a telecommunication threat to New York City. Agents uncovered a cache of electronic devices, including SIM cards and servers in multiple locations ...