It was not, infact, easier than he thought.

> "Thanks mostly to the phones age, interfacing with the UI board will be rather trivial"

I guess part 2 was left as an exercise for the reader.

Not that difficult, DIY dumbphones are mostly case, buttons, display, etc.

https://web.archive.org/web/20190827183214/http://alumni.med...

And a proprietary blob for actually communicating with the tower.

What are the alternatives? SDR? How's that with energy usage? Regional regulations?

Not cynical, just actually interested in practical answers and trade-offs.

Yup. This is nothing more than "Hmm, this Nokia has its physical UI on a separate board... maybe I could use that somehow".

Yeah, not really a complete story is it.