SEALSQ Corp has begun the worldwide deployment of its GSMA-accredited quantum-ready eUICC (Embedded Universal Integrated Circuit Card) security technology for telecommunications operators. The company ...

AT&T has launched a new security feature called "Wireless Lock" that protects customers from SIM swapping attacks by preventing changes to their account information and the porting of phone ...

A dual-SIM setup lets you use one phone to make and receive calls and texts from two numbers. It's also super convenient and can save you serious cash when traveling. We show you how to use two ...

An eSIM lets you set up wireless service using software, instead of a physical SIM card. Apple/Screenshot by Sarah Lord/CNET What do physical SIMs and eSIMs do?

South Korea’s number one telecommunications provider, SK Telecom, is giving away free SIM cards to 25 million of its customers, after the recent USIM cyberattack.

Airtel announced that the SIM cards can reach the customer's doorstep in 10 minutes at a convenience fee of ₹49. They can also activate it themselves at home.

Bharti Airtel on Tuesday announced its partnership with quick commerce platform Blinkit for the delivery of SIM cards to its customers within ten minutes.

Google Fi has now acknowledged and fixed the SIM card issues subscribers were reporting. Some users have now been sent a $60 credit.

Is your iPhone is telling you it doesn't have a SIM card available? Here are some fast and easy things to try before calling your carrier or the Apple Store.