I was looking into a smartphone which is not Apple or Android.
(If anyone is going to get wealthy off my personal information, it should be me..)
There are a few linux based phones:
https://www.makeuseof.com/tag/linux-smartphone-operating-systems/
This one (pricey and backordered) looked nice as well and uses pureos:
https://puri.sm/products/librem-5/