ProdigalFrogGrapheneOS can help you retake your privacy, right now. | Veronica Explains
A Good HunterOnly if you have Google hardware…
toiletobserverUbuntu touch seems like a more viable option at this point
As well as postmarketOS, but unfortunately neither of them are in a usable state for the average person. I’d definitely suggest donating to Mobile Linux projects if possible to get them polished up and viable, as Android is clearly going to make the life of Graphene and LineageOS more and more difficult over time.