vaz The "Usable Smartphone" thread has too many comments now to browse easily, and for some reason both browsers I have used cannot CTRL-F search correctly within it.
search works, but it's not able to search the whole thread. Posts are loaded "near" where you enter in. As you scroll, more are loaded and some are hidden. Having 1.5k posts loaded at once would make things slow.
Unfortunately, that makes searching not work well. It's a consequence of having a place where you can discuss things, it can become disorganized and hard to find what you're looking for.
To help resolve this, the wiki phone page is available. It's currently comprised of relevant posts to phone models. It could use a lot of documentation of if certain devices has PWM, dithering, or any other thing that's been a issue to help find phones that work.
So, if you find a device that works for you, feel free to edit the page with what you found
Nokia 7.1 has worked great for me. PWM and Dithering affects me, and this doesn't seem to have either