Except it's not "just" a 3G baseband chip. That chip[0] runs a closed source software that even contains a Lua interpreter. That's a proprietary binary blob tha

Except it's not "just" a 3G baseband chip. That chip[0] runs a closed source software that even contains a Lua interpreter. That's a proprietary binary blob that I don't know what it does, so this is not something that I would call "open source" even if the controller is open source. [0] https://simcom.ee/modules/wcdma-hspa/sim5320/ https://simcom.ee/modules/wcdma-hspa/sim5320/