Desktop Linux works very nicely on smartphones actually provided all the drivers are there. I lived with a PinePhone running FVWM on Xorg for a couple years and if the hardware didn't crumble away I'd still be using it today.

No need to "build a complete from-scratch alternative OS" when that was already done 30 years ago.

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nolist_policy 4 days ago | parent [-]

Did you actually use it as a phone?

	▲	msgodel 4 days ago \| parent [-]
		Yes although mostly over VOIP. Voice calls aren't actually very complex though of you prefer using those directly.