Creases on upper edges of 15" retina MBP?

NathanA said:

Yep, mine has those "creases" in the two upper corners. They are exactly the same size and at the same angle, one side is just a mirror image of the other. So I have to assume that they were intentional, although I could not explain why they are necessary.

Here is the interesting bit: my sister's 15" rMBP does not have this. The glass in the upper corners of her screen is perfectly flat. I have a mid-2012, and she has an early-2013, but because early 2013 was just a minor refresh and is basically counted as the same generation as the 2012, I am not sure that this is significant. What may be more significant is that mine has a Samsung screen and hers has an LG screen. Perhaps the "folds" are a natural result of the Samsung manufacturing process, while LG's process does not result in the same phenomenon. If so, it could be that checking for the presence of these "creases" might prove to be a quick and reliable way of confirming a Samsung screen on the 15" model without even having to power it on.

The next time that I am in an Apple store with a bunch of rMBP, I will see if I can correlate presence of the "crease" with screen manufacturer.

-- Nathan

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