A classic SIM card is a small plastic chip you insert into the phone. An eSIM does the same thing, just without the plastic, right in the device. Let us explain what it is, what advantages it has and how to activate it.

What an eSIM is

An eSIM (embedded SIM) is a virtual SIM card built right into the device. Instead of inserting a plastic card, you download an operator profile into the phone or laptop and that connects you to the network. It works exactly like an ordinary SIM, you just do not see the physical card.

Today most newer phones support eSIM, but so do some tablets, laptops and watches.

What advantages it has

  • No inserting and losing cards. You have the profile in the device, you do not insert or search for anything.
  • More numbers in one phone. You can have several profiles active and switch between them, for example a private and a work number.
  • A quick change of operator. You activate a new profile remotely, often right away, without waiting for a card by mail.
  • Practical while traveling. Abroad you simply add a local data profile and do not change a physical card.
  • It saves space in the device, which lets manufacturers use the space inside better.

How to activate an eSIM

The procedure differs slightly by operator, in general it tends to be like this:

  1. You ask the operator for an eSIM (with a new number or a transfer from a plastic SIM).
  2. The operator gives you a QR code or activation details.
  3. In the phone, in the mobile network settings, you choose add eSIM and scan the QR code.
  4. The profile downloads and in a moment you are connected.

There is an article on choosing an operator in the region, operators in Liptov, which one to choose.

What to watch out for

  • Device support. First verify whether your device supports eSIM. Older models do not have it. The article how to choose a mobile phone helps with the choice.
  • Operator support. Not every operator and every plan offers eSIM, although it is expanding quickly.
  • Transfer to a new phone. You simply move a plastic SIM, an eSIM usually has to be transferred or reactivated with the operator when changing phones.
  • A dead phone. With an eSIM you cannot quickly move the card into a spare phone, it has to be transferred digitally.

Conclusion

An eSIM is a virtual SIM card right in the device that works like a classic one, just without the plastic. It brings convenience, more numbers in one phone, a quick change of operator and advantages while traveling. Before switching, verify that both your device and operator support eSIM. It is the modern and practical direction mobile technology is heading.

Need advice on setting up phones or devices in your company? Get in touch, we will be happy to help.