Don’t be to sure about that Nokia being as dumb as you think, The phone companies have been making great advances in the technology even before the “smart phone”.
“Don’t be to sure about that Nokia being as dumb as you think”
The phone may have the circuits, even if you can’t use them. Thirty years ago, a colleague surprised us by calculating square roots on his desktop calculator. There was no key for it, but the logic was there. (He hit three keys simultaneously to get the square root, never found out whether it was an accident or just too much time on his hands.)