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UE behavior with plastic eUICC

This page exists to documents the UE behaviour when inserting a plastic (2FF/3FF/4FF) eUICC into a SIM slot.

Rumour is that some UEs will treat such an external eUICC just like an internal one, i.e. their normal LPAd would be able to manage and/or download eSIM profiles to it.

Vendor Model Code Software Ver Modem Ver Slot EasyEUICC works? Observation
Samsung Galaxy S9 ? SIM1 yes No built-in eSIM support
Samsung Galaxy S22 SM-S901B/DS UP1A.231005.007.S901BXXS7DWL3 S901BXXS7DWL1 SIM1 ? No request to SM-DS or SM-DP+ at barcode
Samsung Galaxy S22 SM-S901B/DS UP1A.231005.007.S901BXXS7DWL3 S901BXXS7DWL1 SIM2 yes SIM manager shows eSIM profiles on plastic eUICC
Google Pixel 3a XL ? SIM1 ? eSIM installation fails with operation code 9, error code 1001 (probably tried to use the internal eUICC instead of the external one)
Google Pixel 4a 5G ? SIM1 yes eUICC is recognized and listed by internal SIM manager; switching profiles on a sysmoEUICC1-C2T resulted in an error which made that plastic eUICC disappear from both the built-in SIM manager as well as EasyEUICC-SGP.26. Moving that same eUICC to another phone works just fine. However, moving that eUICC back to the Pixel 4a 5G shows the problem persists. Even another sysmoEUICC1-C2T would not even be recognized by EasyEUICC anymore. Its almost as if the plastic-eUICC functionality has been bricked
Google Pixel 7 ? SIM1 yes eUICC is recognized and listed by internal SIM manger
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Updated by laforge 2 months ago · 3 revisions

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