Earlier quoted context omitted.
I don't. This is a stark realisation that I have had over the past few years. I would once staunchly recommend iPhones for their strong security, in particular app isolation, on-device AI, and physical device security. However, over the years there have been more and more instances where Apple decides what I can do with my phone. From restricting APIs to give their first-party apps advantage, to, most recently, not h…
I assume you're aware and have some other reason that disqualifies it (e.g. you're in the US), but Fairphone does exist and comes pretty close (i.e. PostmarketOS is supposed to run, at least): https://www.fairphone.com/
It is the closest phone to what I have been after for a while. I particularly like their long software support and their support for right-to-repair. It runs stock Android, however I'm not sure whether that means Google is still fully entrenched into all aspects of the phone by default including through Play Store APIs, notifications, etc.
(If anyone would shed some light on the software side, I would appreciate it because I'm not familiar with modern Android.)
Even if it were suitable I would not be in a position to buy it for a while, hence I am still plodding along with my iPhone but just keeping an eye out for good alternatives.
Edit: I re-noticed you said it runs postmarketOS. That's awesome and I'll need to look into it - I know very little about it. Though it seems many aspects of the hardware are not supported on even the Fairphone 4.