If we started with a very basic, touch tone phone and worked from there it might be doable. Seems to me the hard part is breaking through the FCC/Cell company monopoly, so just focusing on how to contact a cell tower and make a voice phone call would be the key.
Android is open-source, I thought.
Only Android Open Source Project, not the different phone UIs, vendor blobs, firmware, camera apps, etc… It is really the basics that are open source.
I run grapheneos since a couple of years and I love it.
That’s not untrue but phones are complex, requiring lots of components and drivers to work together, so it’s hard to get a fully free phone.
If we started with a very basic, touch tone phone and worked from there it might be doable. Seems to me the hard part is breaking through the FCC/Cell company monopoly, so just focusing on how to contact a cell tower and make a voice phone call would be the key.