An eSIM is a module built into a smartphone that replaces a physical SIM card. The operator transmits the profile with your number and tariff electronically.

How it works

Instead of inserting a plastic card, you scan a QR code or enter data in the settings. The phone downloads the operator’s profile and is ready for use.

Advantages

  • No need to go to a shop and wait for a physical card.
  • You can have several profiles and switch between them.
  • Convenient for travel: you can buy a local tariff online.
  • It cannot be physically pulled out of the phone.

Limitations

  • Not all devices support it.
  • Not all operators offer the service.
  • Moving to a new phone requires actions: often you have to activate it again.

How to activate

  1. Make sure the phone supports eSIM.
  2. Order an eSIM from the operator: in the app or a shop.
  3. Scan the QR code in the network settings.
  4. Confirm the activation.

Security

Intruders sometimes try to reissue a SIM card on someone else’s number. Protect your operator account with a password or PIN and do not give anyone codes.

Before buying a phone, check whether it supports eSIM and whether your operator provides it.