On my old phone I had an issue with the proximity sensor and front facing camera. This led me to holding my phone backwards to take photos and being unable to hang up phone calls.
I think I put up with this for a year and a half.
I did end up figuring out the issue with the proximity sensor but opening up my phone to reconnect the camera module was too much effort for me.
When I set dark mode in an app, the top of the window would remain light, in XFCE. But in early January 2024, I realized it was because XFCE had a theme setting in both Appearance and Window Manager, and they were conflicting with each other. I ignored it for quite a while but now I’m happy with my full dark mode computer