The SIM card in your cellphone talks to the contactless near-field communication (NFC) chip through a cool protocol that we’d never hear of until reading his blog: single wire protocol (SWP).

A SIM card is a small chip that you insert into your phone and allows you to connect to your carrier's network. You can then make phone calls, send messages, and use mobile data through your carrier.

A micro SIM card is the middle size. These have more plastic around them than a nano SIM, but less than a standard SIM. They also have a slightly larger chip. In terms of smartphones, you might need ...

The SIM card, one of the staples of mobile phones ... as a regular SIM but on a digital module instead of a physical chip. Apple already deploys it in its Apple Watch and iPad products, whose ...

SIM cards have been around for just over 30 years at this point. While they’ve definitely become smaller over the years, the basic premise has stayed the same: insert the physical card into your ...

On an iPad that can handle a SIM or eSIM and on iPhones with the capability of a SIM/eSIM or dual eSIM option, Apple made a ...

a small chip that connects a device to a specific carrier account. Then, the attacker has the number transferred to a new SIM card, usually under the pretense that the fraudulent account holder ...

EU antitrust regulators fined the cartel for fixing the price of chips used in mobile phone SIM cards. [mroach/Flickr] European Union antitrust regulators fined Philips, Samsung Electronics and ...

A subscriber identity module is a removable smart card for mobile phones. SIM cards store the required information to identify the mobile device. It also contains data required for voice ...

Verizon is one of the leading cellular phone retailers in the US, with millions of customers coast to coast. There are ...

Everybody stay calm – the Boots Black Friday deals have begun, with early offers on everything from haircare to make-up, anti ...