https://esim.me is selling an eUICC-on-a-physical-SIM card. The only part that sucks is that you have to provision eSIM profiles through their proprietary Android app. Someone please reverse engineer it?
Seems like it should be possible to solder an eUICC chip to a SIM-card form factor board and use it with OpenEUICC. [1] Somebody is even selling those pre-soldered on Taobao: https://shop104192953.world.taobao.com/
Later in that thread, somebody also reported that OpenEUICC works with eSIM.me's cards, too. If you have one of these, can you give it a try perhaps?
Seems like it should be possible to solder an eUICC chip to a SIM-card form factor board and use it with OpenEUICC. [1] Somebody is even selling those pre-soldered on Taobao: https://shop104192953.world.taobao.com/
Later in that thread, somebody also reported that OpenEUICC works with eSIM.me's cards, too. If you have one of these, can you give it a try perhaps?
[1]: https://gitea.angry.im/PeterCxy/OpenEUICC, https://github.com/AndroPlus-org/magisk-module-openeuicc