eSIMs are now available in several flagship models, and some users are dumping the familiar physical SIM card to welcome the unavoidable future of eSIM technology. eSIM is short for Embedded Subscriber Identity Module, or Embedded SIM. Instead of being available as a physical entity, manufacturers integrate a small SIM card inside the phone, saving the process of switching between physical ones when you change your service provider.
The SIM card is a technology that most of us have been familiar