While I do understand some of you are happy with your X and will be keeping it, I had hoped the thread would focus more on those returning it and why.
I'm going all in with the 8 Plus!
I returned my X the same (launch) day. Disappointed, as I was excited for it. It’s an upgrade path more from the non-plus sizes than the actual 7 Plus, imo. The screen is/was what I was most excited about but, while nice, it doesn’t overcome the negatives:
No home screen landscape mode; Face ID does not work well unless directly in front of your face, i.e. on desk or in different orientation; the annoying app switcher pause to bring up and another pause to hold so I can close app (not always necessary but really, didn’t they try this on the iPad and change it back? For a phone built around swiping why change intuitive and familiar gestures like this?).
Touch ID just works for me much better than Face ID. People saying it’s faster I can’t understand; I tried it, and while it’s fast under optimal conditions, it’s still beat by Touch ID almost every time (pulling from my pocket it can be unlocked before I even see the screen!). And battery life is better than 7 but, again, coming from the 7 Plus it was very meh. Same for screen size; didn’t feel bigger than the Plus, and is narrower, plus the odd notch effect takes something away I feel.
It ran warm for me but I don’t know if it was going to be an issue. The notch doesn’t bother me in portrait mode but in landscape it’s weird. I can’t speak to the screen refresh flickering, I didn’t notice it.
So yeah, returned the X, 8 Plus for me.
Screen was pretty though :-/