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[GH-ISSUE #27] Question: eSIM support? #21

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opened 2026-03-13 14:08:35 +03:00 by kerem · 4 comments
kerem commented 2026-03-13 14:08:35 +03:00
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Originally created by @tomzy-0 on GitHub (Feb 21, 2026).
Original GitHub issue: https://github.com/4IceG/RM520N-GL/issues/27

Hi

I apologize if this is not the appropriate place to ask such a question, but I have searched everywhere and it is difficult to find useful information. Does this module support eSIM? I actually have an RG520N myself - although looking at the brochure, both modules come from the same family of 5G NR modules.

Has anyone managed to connect to the network using this module and eSIM? I checked the available commands under QESIM and noticed that, for example, there is no command to add a profile, and I couldn't find any documentation on these commands either.

AT+QESIM=?
+QESIM: "lpa_enable",(0-1)
+QESIM: "profile_brief"
+QESIM: "profile_detail",(1-8)
+QESIM: "eid"
+QESIM: "delete_profile",(1-8)
+QESIM: "nickname",(1-8),<nickname>
+QESIM: "def_svr_addr",<address>
+QESIM: "disable_profile",(1-8)
+QESIM: "enable_profile",(1-8)

There are several threads on the Quectel forum about eSIM, but most of them seem to end with a similar result https://forums.quectel.com/t/which-quectel-modems-have-esim-euicc-functionality-do-quectel-models-have-different-levels-of-e-sim-support-how-use-e-sim/28902, i.e., no solution or mysterious answers. That is why I am looking for support elsewhere.

Originally created by @tomzy-0 on GitHub (Feb 21, 2026). Original GitHub issue: https://github.com/4IceG/RM520N-GL/issues/27 Hi I apologize if this is not the appropriate place to ask such a question, but I have searched everywhere and it is difficult to find useful information. Does this module support eSIM? I actually have an RG520N myself - although looking at the brochure, both modules come from the same family of 5G NR modules. Has anyone managed to connect to the network using this module and eSIM? I checked the available commands under `QESIM` and noticed that, for example, there is no command to add a profile, and I couldn't find any documentation on these commands either. ``` AT+QESIM=? +QESIM: "lpa_enable",(0-1) +QESIM: "profile_brief" +QESIM: "profile_detail",(1-8) +QESIM: "eid" +QESIM: "delete_profile",(1-8) +QESIM: "nickname",(1-8),<nickname> +QESIM: "def_svr_addr",<address> +QESIM: "disable_profile",(1-8) +QESIM: "enable_profile",(1-8) ``` There are several threads on the Quectel forum about eSIM, but most of them seem to end with a similar result https://forums.quectel.com/t/which-quectel-modems-have-esim-euicc-functionality-do-quectel-models-have-different-levels-of-e-sim-support-how-use-e-sim/28902, i.e., no solution or mysterious answers. That is why I am looking for support elsewhere.
kerem commented 2026-03-13 14:08:41 +03:00
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@4IceG commented on GitHub (Feb 21, 2026):

Hi,
I may be wrong, but Quectel modems do not have built-in memory for e-SIM profiles, they can only load an external profile from an adapter.

<!-- gh-comment-id:3938318376 --> @4IceG commented on GitHub (Feb 21, 2026): Hi, I may be wrong, but Quectel modems do not have built-in memory for e-SIM profiles, they can only load an external profile from an adapter.
kerem commented 2026-03-13 14:08:46 +03:00
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@tomzy-0 commented on GitHub (Feb 21, 2026):

Thanks for quick response.

So hypothetically, If I would have an external eSIM on board connected to the Quectel - I should be able to load it using those AT+QESIM commands? And that should be enough to establish a connection?

<!-- gh-comment-id:3938406023 --> @tomzy-0 commented on GitHub (Feb 21, 2026): Thanks for quick response. So hypothetically, If I would have an external eSIM on board connected to the Quectel - I should be able to load it using those AT+QESIM commands? And that should be enough to establish a connection?
kerem commented 2026-03-13 14:08:51 +03:00
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@4IceG commented on GitHub (Feb 21, 2026):

Nie wiem pod jakim systemem dziala u ciebie modem, ale tak powinno działać z zewnetrznym adapterem e-SIM. Pod OpenWrt są też pakiety do obslugi e-SIM. Ktoś na forum eko one pl uzywal takiego adaptera ale na ciut innym modemie, wiec mozesz sobie poszukać tematu lub założyć nowy swój o ile mialbys ochote się podzielić doswiadczeniami.

I don't know what system your modem runs on, but it should work with an external e-SIM adapter. There are also packages for e-SIM support under OpenWrt. Someone on eko one pl forum used such an adapter but on a slightly different modem, so you can search for the topic or start a new one to share your experiences.

<!-- gh-comment-id:3938446240 --> @4IceG commented on GitHub (Feb 21, 2026): Nie wiem pod jakim systemem dziala u ciebie modem, ale tak powinno działać z zewnetrznym adapterem e-SIM. Pod OpenWrt są też pakiety do obslugi e-SIM. Ktoś na forum eko one pl uzywal takiego adaptera ale na ciut innym modemie, wiec mozesz sobie poszukać tematu lub założyć nowy swój o ile mialbys ochote się podzielić doswiadczeniami. I don't know what system your modem runs on, but it should work with an external e-SIM adapter. There are also packages for e-SIM support under OpenWrt. Someone on eko one pl forum used such an adapter but on a slightly different modem, so you can search for the topic or start a new one to share your experiences.
kerem commented 2026-03-13 14:08:57 +03:00
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@tomzy-0 commented on GitHub (Feb 23, 2026):

Dzięki za odpowiedź. Nie byłem przekonany czy pisać w języku polskim czy angielskim więc teraz zostawię odpowiedź w dwóch językach.

System jest customowy, budowany w Yocto. Przeszukam forum, może faktycznie znajdę tam podpowiedzi. Jeżeli tylko uda mi się rozwiązać problem to na pewno zostawię tutaj jakiś komentarz na ten temat.

Thanks for your reply. I wasn't sure whether to write in Polish or English, so I'll leave my reply in both languages.

The system is custom-built in Yocto. I'll search the forum, maybe I'll find some hints there. As soon as I manage to solve the problem, I'll definitely leave a comment here about it.

<!-- gh-comment-id:3947759978 --> @tomzy-0 commented on GitHub (Feb 23, 2026): Dzięki za odpowiedź. Nie byłem przekonany czy pisać w języku polskim czy angielskim więc teraz zostawię odpowiedź w dwóch językach. System jest customowy, budowany w Yocto. Przeszukam forum, może faktycznie znajdę tam podpowiedzi. Jeżeli tylko uda mi się rozwiązać problem to na pewno zostawię tutaj jakiś komentarz na ten temat. Thanks for your reply. I wasn't sure whether to write in Polish or English, so I'll leave my reply in both languages. The system is custom-built in Yocto. I'll search the forum, maybe I'll find some hints there. As soon as I manage to solve the problem, I'll definitely leave a comment here about it.
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