You may have come across the term "eSIM" and wondered what it means or what and eSIM actually is. 

As a further development of the classic SIM card, eSIM is a chip permanently installed into a device by the manufacturer. This chip can be programmed to work just like a normal SIM card.


The term eSIM (short for "Embedded Subscriber Identity Module") describes a standardized procedure from 2015 for the authentication, storage and management of user data by a respective network operator.


Five pros of eSIM over a classic SIM:

  • Easier, more flexible, faster

  • Easier to switch networks

  • Temporarily switching to another networks - quite flexible

  • Using more than one SIM card

  • Liked by the environmentally conscious


Learn more about eSIM: What You Should Know About the eSIM for Your Smartphone