I am experimenting with postmarketOS on a OnePlus 6. This is not my first foray into a Linux-mobile device; I have previously used postmarketOS on an old Samsung tablet, as well as Mobian, and the version of Debian that one could install onto the Planet range of PDAs. And, of course, many years ago, a Sharp Zaurus. Even though I am currently a pretty happy user of GrapheneOS, I’m keen to explore options which are further removed from Google. tl;dr: to make this work for me, I am going to ne...