[throwaway270925]

Are there any alternatives? For phones other than pixels? (Genuine question)

[gear54rus]

I run crdroid (now on pixel but before that it was xiaomi). I suggest your check it out.

[fsflover]

postmarketOS, Mobian.

[zozbot234]

Unfortunately these OS's don't even support the "phone" use for most hardware. They're probably fine if you just want to turn your old phone into a palmtop-class device, but not for much else.