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SIM and devices

eSIM: the service stays real, the SIM becomes digital

Independent information to help you understand the question and prepare your next step.

An eSIM stores a mobile profile digitally in a supported device. It changes the format of the SIM, not the underlying plan’s allowance or obligations. Compatibility must be confirmed for the exact device and service.

Check the relevant details

Find the official activation or replacement instructions before starting. Keep access to the existing account and the internet connection required by the setup process. QR codes and activation details should be treated as private.

Look for the important distinction

A phone can support eSIM while a particular plan or provider journey has narrower eligibility. Do not assume a process described for a monthly line also applies to a prepaid or travel-data product.

What this means for your decision

Changing a profile, replacing a phone and porting a number to a different provider are distinct actions. If the existing profile is lost or deleted, use the provider’s recovery process rather than repeatedly trying an old activation code.

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Official sources for this guide

Information checked 1 November 2026. Verify current eligibility and account terms with the provider.

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