Hi. I just signed up to reply to this topic/post.
So yeah. My current replacement iPhone X (first iPhone X had annoying pink shifts — even while doing shallow tilts. Now the whites is satisfying.) has dust in camera lens and it seems to be building up.
Not too bad but it was definitely clear/pristine when I checked at the shop before bringing it home (I even use cellotape to pull away dirt from the camera lens so I can see it even more clearly).
When I first noticed the really really tiny specks of dust on the upper lens, I went out in the direct sunlight and tried to wipe/rub/swipe away the specks (hoping that they’re not underneath the lens) in an upward motion. The weird thing is .. while I was doing that, I literally see a hidden speck moving upwards to the upper lens. Literally!! Under the lens! No joke! (With a second swipe, it did not move like the previous swipe).
Seemed ‘magical/illogical’. Could it be static? Don’t think so. Then when I looked closer, my assumption is that.. the seal around the camera lens has issues/is weak. Why? It seems that while I was swiping upwards on the lens with my finger, probably some air pressure pushed through the mic and flash cutouts and pushed the hidden speck inside upwards. Plus, if I’m not mistaken, this is the first iPhone with cutouts on the camera lens itself for the mic and flash..
I know this sounds ridiculous.. but seeing it moved (with a sliding motion!) ... That seems to me the only ‘logical’ reason for a speck inside to move inside while rubbing at it outside the lens — due to the cutouts and air pressure.
Now there is potential for dust to move around easily and even build up. So I think I’m just gonna try enjoy the phone until dust underneath camera lens gets worse, then get it replaced. If it is definitely a bad design on the camera lens, then maybe I should sell this or get this exchanged with something else.. hmm maybe the Google Pixel 2 XL (stereo speakers and immersive display is a must for me). But I’m so hooked onto the Apple system — with the MacBook Pro, Apple Watch, BeatsX..
Oh on a side note, I also have dust underneath the screen but it’s negligible — aesthetically annoying when looked for but does not affect functionality at all.
So I do hope my assumption is wrong on the ‘bad design’ of the camera lens so I can just keep this, get away from the exchange game because the whites on this screen is just perfect to my eyes.. (hate pink shifts).