For years, this chip was on a physical card that you could swap in and out by ejecting a SIM card tray from your phone. Most modern phones, however, also support eSIM.

Physical SIM Card vs. eSIM: What Sets Them Apart and Which Should You Choose? These two ways of connecting your phone to a cellular network are very different.

For the past three generations of the iPhone, Apple has stood alone in a particular area: eSIMs. Apple made a shift that many ...