The GSMA requirements document Secured Applications for Mobile SAM.01 seeks to enable access to SIM applets independently of SIM profiles. The G&D webinar Virtualizing Secure Elements from 2021 provides some informative diagrams that have been reused in this article.
In the current model several SIM profiles can be installed into an eUICC, but:
- Only one SIM profile can be active at the same time
- SIM applets are contained within operators’ own SIM profiles and are not accessible between profiles
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