GrapheneOS – A privacy and security-focused mobile OS with Android compatibility
Librem seems to have the correct way forward, reject the big mess of Android and catch up to it with completely Open pieces.https://puri.sm/products/librem-5/They're making good progress and I can't wait to be able to update my handheld device with mainline pieces for as long as anyone who  still uses one cares to update it.  Currently my Samsung Android device is at Dec 2018 patchlevel and nothing I can do about it.