What is an "eSIM"?
An eSIM (embedded SIM) is a SIM card built directly into the device that you cannot remove.
What is an eSIM?
The eSIM is 5 × 6 mm in size, permanently installed as a small chip in the device and uses the same specifications as a classic SIM card. When changing providers, it is simply reprogrammed – on Apple devices via QR code, app or manual entry.
eSIM vs. classic SIM
| eSIM | Classic SIM | |
|---|---|---|
| Installation | Already integrated in the device | Must be inserted |
| Change | Reprogrammed when changing provider | Can be removed and replaced |
| Dual-SIM | On some devices (e.g. newer iPhones) combinable with classic SIM | Possible depending on device |
Was this article helpful?
That’s Great!
Thank you for your feedback
Sorry! We couldn't be helpful
Thank you for your feedback
Feedback sent
We appreciate your effort and will try to fix the article