Reports are already surfacing of a classic annual tradition in iPhone land - the dumping of yellow tinted reject screens on unsuspecting consumers.
This happens literally every year, since the iPhone 3G. Every. Year. without fail. Same tint. Same excuses from Apple apologists.
The fact is, not all iPhone 12 screens will be the same tint. Some will be more yellow/worse than others.
Weather or not you believe, as I do, that Apple intentionally relaxes tolerances to maximize yield for launch, here is what you can do:
The Test
The test is to open the Settings screen, with True Tone off, and dark mode off, 75% brightness. Compare to another phone on exact same settings. Which one is more yellow?
What to compare to
It probably already looks different than your old phone, which is why you are here. Something seems "off" about the new display. Compare to old phone. Yellow? Proceed to next step.
Compare to an Apple Display Phone
Use the same test criteria to compare to an Apple display phone. It either matches or it doesn't. If it doesn't, RETURN THE PHONE IMMEDIATELY.
Even the most blind Apple fanboi can admit - if it doesn't match the display phone, it must be defective.
The Kicker
On Launch day, some if not all Display phones will also be yellow. Invariably, within 4 days of launch, they will all be swapped for pristine, 100% non yellow phones. Swear to god as my witness. 100% chance they will be swapped.
If your yellow phone matches a display phone on day 1, wait a week. Then compare. Doesn't match? RETURN THE PHONE.
Only you can stop Apple from dumping low grade panels on the masses.
Thank you.