Yellow tint iphone 4 screen

Per the written warranty, an exchange under warranty will be a new or refurbished iPhone with no way to tell the difference. An exchange under warranty is called a service unit and is provided in a plain box with the iPhone only since only the iPhone needs to be exchanged - not everything included with the retail sales box.

If you think this is unfair treatment, live with the yellow tint since an exchange under warranty will not be provided as a retail sales unit as with the original purchase.

As for the Yellow tint issue. does it cover the entire screen or some blotches here and there? Earlier report have stated that the yellow tint could be the adhesive glue.

"Apple is using a bonding agent called Organofunctional Silane Z-6011 to bond the layers of glass. Apparently, Apple (or more likely Foxconn) is shipping these products so quickly that the evaporation process is not complete. However, after one or two days of use, especially with the screen on, will complete the evaporation process and the yellow "blotches" will disappear. How do I know? I was involved in pitching Z-6011 to Apple."

Found this on Engadget. If you search iphone 4 yellow screen on google, you will find some info.

Anyways, all replacement phones come in a plain box, there is no way to tell if it's new or a refurb. However, let me tell you that, there is no difference between the new and the refurb. Even the refurb phone do come clean as the brand new one. No scratches. Keep in mind that with the refurbs, those have been tested by the apple tech thoroughly to ensure that all hardware inside it is working properly. Where as the new one is a hit or miss. If you do get a replacement, ask the genius or the worker there in HK, and tell them that you want to inspect the phone before you leave the apple store and in front of them to ensure that you won't get a yellow screen. It is likely that even if you do get a replacement phone, it would still have the yellow screen issue, could be better or could be worse.

dont get yourself confused here because your thinking of two possible issues instead of the one we usually see for a yellow tint on a screen.
in "most" cases the yellow tint is the bonding adhesive used to stick the layers of the screen together...thats the lcd, the glass and the pressure matrix...(or whatever its called)....
in almost all cases that yellow tint dissapears with time due to the adhesive drying/evaporating with the heat generated by the phone.
now if your screen hasnt cleared or the yellow tint isnt caused by the glue then you clearly have a faulty lcd. In which case your a warranty case and will have to follow the usualy Apple process.
The quality of the LCD shouldnt come into it...chances are that if your buying a new phone then a major change in manufacturer or quality of the lcd unit itself wont happen from one batch to the next. such changes usually take place in the first few months of production when faults are being continuously reported. In this case, as stated, the majority of yellow tint faults are glue. So no need to change the LCD standard or manufacturer.
id go to the Genius bar and resolve exactly what the problem is; either glue or faulty LCD. but certainly i wouldnt be worrying about the "quality" of the next lcd i got.

If you read my post carefully, and let me explain this a bit more thoroughly. No LCD from it's manufacture comes in yellow screen. If you know the pixels and sub pixels, it's red, green and blue. As to what I have quoted on my post, In order for the LCD to stick to the glass, they have to use some sort of glue to bond it together. Read my post again to see what they actually use. You can probably google what that glue is also. Normally after a few days of use, the yellow tint is supposed to dry away, if not, you will have to replace it if the yellow tint is bothering you.

As for the refurbs, you are right in saying that it is someone elses used phone that had to be replaced. But keep this in mind that they do put new parts in them for the ones that are malfuntioned or defected, plus new batteries, new glass,probably new frames, and they do get tested thoroughly by the apple tech. Thus that is why you really can't tell the quality difference between the refurb and the new, because they all look the same. I have not seen any refurbs that comes with scratches. So what does that tell you? That they use new parts for the phone, screen, glass, everything in the exterior, and yes some part inside is new. I don't think Apple would ever hand out a refurb that would have scratches on them and surely the customers would not be happy about it. I would not be happy about it.

Plus Refurbs have more attention than the new ones coming out from the factory. As said, they are individually tested. As for the new ones, they only make and assemble the iphones, and they are not tested thoroughly. However, I'm sure they do a quick test whether the parts inside the phone passes, and would likely be a hit or miss, or even have a similar problem as the one you previously had. I can understand if you only had the phone less than a month old, that they want a new one as a replacement, but anything over than a month old, I don't think it really matters what you get. If you were to get it replaced for a brand new one, it is likely that yellow tint would still be there. However, this same goes for the refurbs as well but the chances of having the same issue on the refurb is smaller than recveiving a brand new one.

But it is up to you. It is you that decides whether to accept a refurb as replacement or a brand new one.

Well then the suggestion is, you are going to have to find a way to replace that phone, if it is bothering you.

Okay last time for this: If you don't believe that the adhesive glue causes yellow tint, then what causes yellow tint on the screen? all LCD's are black when it's not on. LCD manufacture don't put yellow stuff on the LCD when the make LCD's. LCD's have pixels, and within those pixels, which are sub-pixels, are only Red, Green and Blue as I have mentioned before. Also how does the LCD stick to the glass on the iphone? They'd have to use a bonding to stick on.

You might want to check out this free app "iLlumination" it's a flash light but you also have the option to make the screen completely white. From there you can check if the white is the pure white or not.

As said, if you don't like it, find a way to replace it. But as said, whether refurbs or new, it is likely that the yellow tint/screen will still be there. Because theys till apply the adhesive glue on them. Even refurbs.

i cant see why or how different versions would ship to different countries. They are all made in china in the same factory.
ive never heard of, or seen, a differing colour tint to an Iphone 4 screen or older versions.
The ONLY recognised "fault" with a colour tint is the yellow one which is caused by the glue.
far as im aware there will be no hardware difference at all between iphones in differing contries...the only difference is software locking to regional providers!
now if there is a "hardware" fault with your phone then the excellent suggestion from Kwopau will show it up real easy for you. as will any app that will force the screen to a set colour..preferably white. the torch apps out there will allow you to change through red/green and blue as well in some cases and doing those colour changes might well point out if the lcd's connector or digitiser is somehow not working correctly because of course you will not be able to see true red etc.
regardless though...if you were in the UK i would say any product purchased within 30 days that shows a fault is then you are entitled to a full brand new product! no refurb..however im guessing there are no such laws where you are.

Kwopau wrote:
As for the Yellow tint issue. does it cover the entire screen or some blotches here and there? Earlier report have stated that the yellow tint could be the adhesive glue.

"Apple is using a bonding agent called Organofunctional Silane Z-6011 to bond the layers of glass. Apparently, Apple (or more likely Foxconn) is shipping these products so quickly that the evaporation process is not complete. However, after one or two days of use, especially with the screen on, will complete the evaporation process and the yellow "blotches" will disappear. How do I know? I was involved in pitching Z-6011 to Apple."

Found this on Engadget. If you search iphone 4 yellow screen on google, you will find some info.

Anyways, all replacement phones come in a plain box, there is no way to tell if it's new or a refurb. However, let me tell you that, there is no difference between the new and the refurb. Even the refurb phone do come clean as the brand new one. No scratches. Keep in mind that with the refurbs, those have been tested by the apple tech thoroughly to ensure that all hardware inside it is working properly. Where as the new one is a hit or miss. If you do get a replacement, ask the genius or the worker there in HK, and tell them that you want to inspect the phone before you leave the apple store and in front of them to ensure that you won't get a yellow screen. It is likely that even if you do get a replacement phone, it would still have the yellow screen issue, could be better or could be worse.

Kwopau, we have been over this. Yellow tinted screens are not caused by a adhesive glue. The adhesive glue you keep talking about was a known to cause yellow spots. As for Engadget article you posted, why are you posting it out of context?

http://www.engadget.com/2010/06/24/iphone-4s-yellow-spot-issue-goes-away-with-a- bit-of-time/

They are talking about yellow spots not the entire screen

If you don't think it's yellow adhesive then what causes the yellow screen? Read what I have written carefully. I will say it here as well.

ALL LCD screen are black when the screen is not on. You do know that LCD has pixels, with sub pixels of Red, Green, and Blue only and there is no other color. LCD makers don't have any yellow substance on them. Then how else would you get the yellow tinted screen then? Then tell me, how can a LCD on the iphone 4 be bonded to the glass of the faceplate? They'd have to use some sort of bonding agent somehow.

What Gizmodo, endgadget, and what not say that it can be a blotch, a spot, a band, or even on the whole screen. It also stated that after a few days of usage that it should dry out. If that is not the case with your phone, then GO GET IT REPLACED.

I don't care if you don't believe that it's not an adhesive glue, that's your opinion and that's what you think, but really it is the adhesive glue that would cause the screen to become yellow for the first few days. Then explain to me why my phone does not have a yellow tinted screen as of now? Huh? Explain it. Enough said.

Exactly, and all of this talk about it drying and going away is bull-squeeze as well. It was a manufacturing defect and will not go away (speaking on the spots). You either live with it or have it replaced, period. Also, if you are unhappy with an entire screen tint/hue towards yellow then you can begin your quest to start looking until you find one that's to your liking. If you constantly compare it to other phone models, etc. you will always see a difference. This 24" Samsung LCD I am working in front of now I think is one of the best displays but if I sat a new Eizo next to it I may change my mind and vice versa. A uniform screen if not too far off is not a big deal IMHO. In fact I think the 3Gs leaned a little to the blue side and iPhone 4 is warmer but closer to middle. Comparing it to blue leaning displays will make it look real yellow though. Go properly calibrate your PC or Mac display with a color sensor puck and software and then compare your i4 and other phones, you may be surprised at what you find.

samven582 wrote:

Kwopau wrote:
As for the Yellow tint issue. does it cover the entire screen or some blotches here and there? Earlier report have stated that the yellow tint could be the adhesive glue.

"Apple is using a bonding agent called Organofunctional Silane Z-6011 to bond the layers of glass. Apparently, Apple (or more likely Foxconn) is shipping these products so quickly that the evaporation process is not complete. However, after one or two days of use, especially with the screen on, will complete the evaporation process and the yellow "blotches" will disappear. How do I know? I was involved in pitching Z-6011 to Apple."

Found this on Engadget. If you search iphone 4 yellow screen on google, you will find some info.

Anyways, all replacement phones come in a plain box, there is no way to tell if it's new or a refurb. However, let me tell you that, there is no difference between the new and the refurb. Even the refurb phone do come clean as the brand new one. No scratches. Keep in mind that with the refurbs, those have been tested by the apple tech thoroughly to ensure that all hardware inside it is working properly. Where as the new one is a hit or miss. If you do get a replacement, ask the genius or the worker there in HK, and tell them that you want to inspect the phone before you leave the apple store and in front of them to ensure that you won't get a yellow screen. It is likely that even if you do get a replacement phone, it would still have the yellow screen issue, could be better or could be worse.

Kwopau, we have been over this. Yellow tinted screens are not caused by a adhesive glue. The adhesive glue you keep talking about was a known to cause yellow spots. As for Engadget article you posted, why are you posting it out of context?

http://www.engadget.com/2010/06/24/iphone-4s-yellow-spot-issue-goes-away-with-a- bit-of-time/

They are talking about yellow spots not the entire screen

Kwopau wrote:
Well then the suggestion is, you are going to have to find a way to replace that phone, if it is bothering you.

Okay last time for this: If you don't believe that the adhesive glue causes yellow tint, then what causes yellow tint on the screen? all LCD's are black when it's not on. LCD manufacture don't put yellow stuff on the LCD when the make LCD's. LCD's have pixels, and within those pixels, which are sub-pixels, are only Red, Green and Blue as I have mentioned before. Also how does the LCD stick to the glass on the iphone? They'd have to use a bonding to stick on.

You might want to check out this free app "iLlumination" it's a flash light but you also have the option to make the screen completely white. From there you can check if the white is the pure white or not.

As said, if you don't like it, find a way to replace it. But as said, whether refurbs or new, it is likely that the yellow tint/screen will still be there. Because theys till apply the adhesive glue on them. Even refurbs.

Okay last time for this

{quote}If you don't believe that the adhesive glue causes yellow tint, then what causes yellow tint on the screen {quote}

It is not known what is causing the entire screen to be entirely yellow but user Dan Mitchell1 comes up with the best possibly explanation for this defect

{quote}There is one other explanation for differences in screen color between models - the illumination source, presumably some sort of fluorescent source or LED source. Now these lights in other situations can give out some very differing color balances and temperatures.

So if users are seeing an over-all color cast, most likely it is not due to glue problems but to the basic color output of the screen illuminator - which probably can not be altered. {quote}


mysonbb does your iPhone screen look the one on the right?

http://img.photobucket.com/albums/v616/sameer582/2010-11-22155932.jpg
http://img.photobucket.com/albums/v616/sameer582/2010-11-21092728.jpg

And yes JPBOSS, for some they do not disappear and dry out as they should, those would be the defects, but normally it should dry out. Mine had this issue when first getting it. After a few days of usage, yellow tint completely disappeared.

You don't have to prove me that. Because I don't care what you say that it is not. I will remain with the fact that I have, and you have your own way. Enough, bye.

at the end of the day, if its certainly not glue..which is spots rather than entire screen, then the user has a simple choice. change the phone for a refurb or put up with the issue.
no point arguing about it further than that anyway. without decent screenies of the phone none of us can say what is causing the issue for the OP. might be duff lcd connector issues, might be tinting from factory settings, might be something else. Its up to the OP to test properly and thoroughly through the suggestions here or post exemplars that we can look at fully to judge and give our best opinions on.