Plenty of companies have attempted this over the years but it’s not obvious that a big enough customer base exists to support the tremendous number of engineering hours it takes to make a phone. Making a decent smart phone is really hard. And the operations needed to support production isn’t cheap either.
Not for lack of trying. See for yourself
https://en.m.wikipedia.org/wiki/List_of_open-source_mobile_p...
The list is not short.
Plenty of companies have attempted this over the years but it’s not obvious that a big enough customer base exists to support the tremendous number of engineering hours it takes to make a phone. Making a decent smart phone is really hard. And the operations needed to support production isn’t cheap either.