SIM cards, short for Subscriber Identity Module, have become a universal aspect of modern smartphone usage, but the ...

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.

Just ahead of the United Nations General Assembly, the US Secret Service crippled a network of 100,000-plus SIM cards that had the potential to crack the whole telecommunications network of New York.

A SIM card, or subscriber identity module card, is essential component of any phone. It connects your device to a cellular network and stores vital information, including your phone number. Many ...

Identity thieves have a new way of gaining access to your finances. Even if you’ve frozen your credit report, they can grab your money by taking over your phone number. It’s called “SIM swapping.” ...