The newer eSIM technology, which is quickly becoming the standard on high-end phones, is safer and more convenient.

For many years, mobile phones received cellular service through a physical SIM (subscriber identity module) card that connected your handset to your phone carrier. These physical SIM cards made it ...

"eSIM," short for "embedded subscriber identity module," is a piece of software that connects your phone to your phone number. eSIMs are a digital version of SIM cards, the small chips that most ...

The digital version of the SIM card, included on many newer phones, is set to become prevalent. It also offers affordable cellular data abroad. By Brian X. Chen Brian X. Chen is The Times’s lead ...