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SAMOLED+ Pixel Response Time and Touch Screen Discussion & My Review of These Parts.

SAMOLED+ Pixel Response Time and Touch Screen Discussion & My Review of These Parts.
Hey all, I wanted to start a thread to have a discussion about these two things that are my only disappointments in this phone.
Let me start by saying I think this phone is awesome, and yes I feel there are a few other faults on the phone (lockscreen delay when running off the battery due to the CPU taking a second to kick in, weak GPS/wifi signal sometimes, heavy banding on gradients etc) But those are software issues and I know in the near future Samsung/Devs will sort this out.
But I had some big complaints that aren't (still I hope not) software issues. Firstly;
- Response Time.
By this I mean when you buy a new monitor and the response time is listed as 4ms or whatever. This is the time the pixel takes to make a full change. A slow response time will cause ghosting. And that's exactly a issue that the Samsung Galaxy SII faces. Ghosting.
I've gone through 4 replacement SII's for various reasons, and on all of them they ghosted. So it's not just my phone. Samsung bizarrely states the response time is 0.001ms which would be there would be no ghosting at all. However there is, quite a bit actually, by my testing the screen is actually around 6-8ms.
I want to see if anyone else notices it. I know there's been a couple of threads on this but I want to see if the majority of people notice this. Here's how to test, go onto white page with black text on, and then scroll down the page at a moderate pace, not to fast not too slow, try it at different speeds as well just in case you don't get it right.
The easiest way I find to do this is use the inbuilt stock news app, load up any story and it'll give you a long white page with black text you can scroll through. As you may notice if you got a decent set of eyes on you, the text will leave a trail. Also known as ghosting. To me, I find this absolutely unacceptable on such high end device.
- Colour
Also, as it's been widely reported and has been noticeable on all my GSII's, the colour temperature is very 'cool', nowhere near the perfect 6500k. As a result, white's look very blue. This is fine and you hardly notice it on it's own, however when I'm using the device at my PC, which I use on a 32" IPS panel TV I professionally calibrated, the whites on the GSII look more blue than the ocean! Technically this is a software problem and can easily be sorted when custom roms come along but jeez, this is some bad stock colour calibration.
Also when you tilt the display, the viewing angles are generally very good, however tilting the display by pretty much any angle adds an extra blue tint to the screen on an already blueish screen.
I'm an absolutely screen quality perfectionist so these points really get to me. Especially considering this is such a high end device.
Overall I'd give the display a 6.5/10.
After the colour temperature has been sorted, I'll give it a 7.5/10.
If the ghosting can get minimized somehow even slightly through software on top of that, I'd give it an 8.5/10.
Secondly;
- Touch Screen
Now we all know about the movement deadzone/threshold on the touch screen which is massively annoying, but hopefully that'll get fixed in the near future. But What I'm going to complain about is the low sensitivity of the touch screen is the best way I can describe it.
On my HTC Desire, I can tap the screen ridiculously lightly and quick, and the device will register the input, absolutely no questions asked. Absolutely brilliant.
However on the GSII the sensitivity seems to be a lot lower, I can tap the screen lightly and quickly and the screen won't register the touch at all. This is pretty damn annoying as sometimes I just tap the screen lightly normally and I have to retap things. Not very often but still. I wish the device was as sensitive as the HTC Desire.
In it's current state I'd give the touch screen an 8/10.
If the movement deadzone and sensitivity got fixed, it'd be a 10/10.
Now I'm sure I had more to write about but I've forgotten now. I'll edit it into the post if I can think of the other things.
Now as I said, I think the GSII is a smashing phone, sure there are a lot of niggles at the minute, but I know they'll get sorted soon. Just the points I've outlined in this thread are things I'm scared won't get sorted. But you never know, I'm really hoping they can get sorted/do get sorted.
As I said I've had 4 Galaxy S2's all had the above issues, and I've used 2 other S2's from friends who also have these issues, so it's widespread, I'm just curious if people actually notice it.
I've added a poll to the thread regarding these issues. Please don't lie to yourself about this stuff, if you notice it, please answer honestly

I honestly hadnt noticed any of this stuff, i even watched a video of the deadzone and couldnt replicate it myself. I also think the touch response is fine you must have a very light finger/thumb!
The ghosting i hadnt noticed probly because i dont read text as im scrolling i tend to go a page at a time and the fact that im too taken back with the smoothness that pages do scroll.
The blue tint you guessed it i hadnt noticed but then again its not often i hold my phone up to specially tuned monitors.. Then again maybe theres a reason for it maybe it helps reduce glare in sunlight, then again maybe im talking aload of ****e!
no offence but you sound like you could moan for england! chill out and focus on the things it does do well and you may notice the negatives less

Personally....I think your nuts. This is the best screen ever on a phone. I have none of those issues, the touch screen perfectly responsive, my whites are white as white can be. You keep getting your phone from the same supplier and that leads me to be what the problem is. mine is perfect in every way. lucky me I guess

rojdag said:
I honestly hadnt noticed any of this stuff, i even watched a video of the deadzone and couldnt replicate it myself. I also think the touch response is fine you must have a very light finger/thumb!
The ghosting i hadnt noticed probly because i dont read text as im scrolling i tend to go a page at a time and the fact that im too taken back with the smoothness that pages do scroll.
The blue tint you guessed it i hadnt noticed but then again its not often i hold my phone up to specially tuned monitors.. Then again maybe theres a reason for it maybe it helps reduce glare in sunlight, then again maybe im talking aload of ****e!
no offence but you sound like you could moan for england! chill out and focus on the things it does do well and you may notice the negatives less
Click to expand...
Click to collapse
Haha I could moan for england ;P
Nah it's just I'm very picky when it comes to screens. And I definitely expect the best on such a high end device, unfortunately the SGSII falls abit short on this.
It's still a great device. Really wish I didn't notice this sort of stuff haha.
stillbrad said:
Personally....I think your nuts. This is the best screen ever on a phone. I have none of those issues, the touch screen perfectly responsive, my whites are white as white can be. You keep getting your phone from the same supplier and that leads me to be what the problem is. mine is perfect in every way. lucky me I guess
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Click to collapse
Best screen on a phone possibly. It's not the best screen ever though, it's good don't get me wrong, but not the best.
And I assure you, your device has everything that I outlined in my original post, it's just down to the user if they notice it or not. When I used my friends Galaxy SII's (who both got it from different places to me and each other) I asked them about this stuff and they had no idea what I was on about, so I thought my phone was faulty and I had a look at their GSII's and theirs have the same problems aswell, they just don't notice them. (They did after I pointed it out though muwhahah)

I must not have a sgs2. Maybe its because mine is from first batch but I have none of your listed issues. After 4 devices, it cant be samsungs fault.

Heh, guys every SGSII have these issues, I'm not arguing that, was merely checking to see how many people notice these issues (not many in the grand scheme of things apparently) there's quite a lot of reports of these problems so it's just down to the user
Sent from my GT-I9100 using XDA App

I guess I have horrible standards. No shadowning on my phone.

The ghosting and blue-ish colortemperature I noticed right from the start. But to be honest: I really dont care. At least the ghosting is nothing which stands out of the crowd... all of them have it ... HTC, LG, Apple. The only reason you don't notice it as much, is the lower contrast on the other displays.
As for the sensitivity: It's a little lower than with my htc hd2, BUT I'm actually glad it is. The sensitivity on the HTC phones is ridiculously high. You don't even have to touch the screen and you end up clicking something, which can be quite annoying sometimes. On the SGS2 I never had any missclicks, nor did I have any non-responsivenesses. Perfect setup for my taste.

I think all of the average joe out there probably doesn't care about all this minor issues. You must have the intention to find the fault of the phone in order to get what you want to find but do you think most of us would be doing this? Haha.. Tbh I don't really care as long as the phone does what I want without falling apart. lol..

Yeah I was a bit surprised by the ghosting, having seen the response time claims, but neither that nor the colour temp (on 'movie') have really bothered me so far.
What has irked me a bit is the image sharpness. On a site like m.engadget.com the coloured text on white background has a dark outline all around it, which to me looks horrible. Anyone else noticed that?

I think the ghosting issue is due to the low fresh rate of the touch screen.It's lower than 60HZ.
When you scroll the screen,the animation is not smooth enough,so you see the ghosting.
It's more of a visual persistence issue.
I remember when some choppy animation showed in CRT,I can see ghosting.
Never the less,when your finger leave the touch screen,let it scrolling itself,you can see the "ghosting" would be less noticible.
But you can still see it,that's because of 60HZ refresh rate of the Display.
I just wondering if there is any way to change the fresh rate of the touch screen.

What are you doing that's causing ghosting issues? There is a definite color temp issue but that's how every amoled screen has been so far. I would take a little bit of blue tint over the black color performance

The thing that causes the ghosting, as I said in my original post, it fast movement. The screens pixels can't change fast enough so things leave a trail.
As I said the best way so see this is to loadup a long page with a white background and black text and then scroll down at a moderate pace, fast but not so fast you eyes your eyes canty follow the line of text. If toy do it right and you've got a decent set of eyes you'll see that the text leaves a trail.
Sent from my GT-I9100 using XDA App

hi,
You are not the only *nut* i noticed that on my device the grey sux big time,... specially on rgb 100 100 100 have a look here: http://forum.xda-developers.com/showthread.php?t=1084543
My white is ok, but the grey goes magenta,
PLUS
if u go to 160 dpa u will see the effect better on greys and gradients which involves grays!

nongrata23 said:
hi,
You are not the only *nut* i noticed that on my device they grey sux big time,... specially on rgb 100 100 100 have a look here: http://forum.xda-developers.com/showthread.php?t=1084543
My white is ok, but the grey goes magenta,
PLUS
if u go to 160 dpa u will see the effect better on greys and gradients which involves grays!
Click to expand...
Click to collapse
Yep, there's a lot disappointments with the screen on this phone. However as the poll is so far proving, majority of people don't care for quality as much as us. Only a few others care/notice about the things we're complaining about.

rojdag said:
no offence but you sound like you could moan for england! chill out and focus on the things it does do well and you may notice the negatives less
Click to expand...
Click to collapse
Thanks .. Thats the funniest **** i have read all day...
Theres nothing wrong with my sgs2 and ive owned Hero's Desire's Nexus One's and even an LG2X.. This phone is superb.. This dude does sound a bit anal..

Hey. I can definately notice ghosting on this screen if i purposely try to but as others have said, it doesn't bother me in the slightest. When watching films or playing games it's non-existant.
As for the whites, you yourself stated you can't really notice until you hold the device against your professionally calibrated screen. How are the blacks in comparison? Out of interest, how much was that screen/calibration.
I think the main problem with alot of peoples gripes is focusing on only the weaker aspects of the phone rather than the device as a whole. People want perfection which unfortunately doesn't exist in the world of electrical consumer tech.

now i see this horrible grey everywhere i cannot even look at my phone any more!
I hope that this issue would be enough to change my device!

Hey drm111, as you know I have those problems too.
Did you have them on all your 4phones?
1) As you know I have this topic in wich one screen had this blue ish coat on the screen, noticable from the angles you talk abouth. But the other one does not have it.
So maybe not everyone has that blue coating? Did you investigated that further?
2) As you also know there is this yellowish/darker 1/3 of the left screen, probably some don't notice it. You have to be in a dark room or in a light one really looking for it. You read abouth this huh?
But I you didn't post it here. Aren't you having this problem? And did you have it on al of your 4 phones?
3) Ghosting, yes i notice it to. No sharp text when scrolling,is that the ghosting too?
I have this first generation ipod touch, text stays sharp when scrolling. Should be the case here too.
4) Than you have the grey tints, wich turn pink. You can see it in the topic of nongrata23. But some phone don't have it it seems. Software or hardware?
We need to figure out what is 'normal' and what isn't. As I don't want to send my phone back if it is normal at this point for all the gs2 that are on the market.

Let me start by saying i used to work for a PC magazine and was among those who blew the whistle on the nVidia texture replacement fiasco surrounding the Geforce 5800. I can see a single texture out of place in a high FPS game, so my eye is VERY keen.
The colour of the SGS2 is slightly blue yes, but mine is no worse than the average LCD, including the Retina display.
Response time is seemingly slower than the previous AMOLED screens ive seen, but again is more than a match for the LCDs out there.
I would say samsung have made a trade off between the sub pixel density and other factors. It works for me just fine.
The 16bit thing is interesting. It looks to me like the screen isnt 16bit, but it is using 16bit at times. Thats a driver issue.

Nexus 4 annoying visible IPS sensors

Hey guys,
I've had my nexus 4 for a week now and I am super pleased by it. The phone runs like a dream.
The only issue I seem to be having is that I can see the IPS sensors even with the screen on!.
I'm talking about the little transparent-gray squares all over it, not about the super awesome dots that you can see with direct sunlight.
This is flipping me out!
Is anybody else having this problem with it?
I can't appreciate the beautiful screen because of this.
Also, when displaying single color frames specially dark ones, like on the clock app , the colors are not really solid.
I get this vertical stripes that are approximate to the color but not quite it.
Im posting a screenshot but I don't think that youll be able to notice it since it may be a hardware problem.
Sent from my Nexus 4 using xda app-developers app

That's a hardware thing, not visible in screenshots. You'd need to take an actual picture.
Are you referring to the dot grid that is visible in direct sunlight? Everyone has is. It's because of the fact that the screen is integrated into the glass.
I think it looks kind of cool but that might just be me.
Edit: Gotta read the whole thread first I guess you're not talking about the dots. I have no idea what you're talking about then.
Sent from my Paranoid Nexus 4 using Tapatalk²

Question to the OP. Do YOU see anything wrong with those images, or is it a hardware problem? I can't see any difference between your screen shots and my phone.

Damn it man, now i see them too -.-
I went to the clock app, and i can see some stripes on the left but mine are vertical.

kcls said:
That's a hardware thing, not visible in screenshots. You'd need to take an actual picture.
Are you referring to the dot grid that is visible in direct sunlight? Everyone has is. It's because of the fact that the screen is integrated into the glass.
I think it looks kind of cool but that might just be me.
Edit: Gotta read the whole thread first I guess you're not talking about the dots. I have no idea what you're talking about then.
Sent from my Paranoid Nexus 4 using Tapatalk²
Click to expand...
Click to collapse
Hello after using my nexus for almost 2 weeks today i noticed some vertical line (of Dots) on my screen under direct sunlight...these dots very moving and can be seen with screen off also..
is there any thing to worry..

ramkumar2000 said:
Hello after using my nexus for almost 2 weeks today i noticed some vertical line (of Dots) on my screen under direct sunlight...these dots very moving and can be seen with screen off also..
is there any thing to worry..
Click to expand...
Click to collapse
Haha Dude that's the digitizer. Don't worry. It's all cool.

Chill out people.. Its just the digitizer that you can see, so close to the screen for better touchscreen responsiveness. The most likely reason you can still see it with your device screen on is that you have your brightness too low.. Put it up

even amoled screen are also the same

davidang said:
even amoled screen are also the same
Click to expand...
Click to collapse
When I first got my Nexus4 the weird screen was the first thing that popped out at me. Between the visible digitizer matrix that glints when it catches the sun wrong, to the odd rectangles that can be seen behind the screen I was initially bummed and thought about returning the phone. It doesn't even bother me anymore
This is my 8th android device and the first one that has a funky screen like this, but it really isnt a big deal. Under 95 percent of conditions it looks really nice

I have been able to see the digitizer on every single capacitive screen i have ever owned.

@David_Azar I have to agree.. initially I was disgusted by how prominent the digitzer pattern was, I've never had ANY screen show it as much as the Nexus 4 does.
However, the vertical stripes you're referencing is commonly referred to as "banding". I have this on my Nexus 4 as well, most visible on grays (especially darker grays).
I have been doing some research and I believe the banding issue will reduce over time. If you check your screen when displaying a white background at max brightness, such as gmail or chrome browser, you should see a slight yellowing of the whites. It appears this can be due to the adhesive they used to glue the digitizer to the screen not curing completely. After several weeks of use, the heat from the processor will help cure the adhesive causing the yellow to disappear after a while.
I cannot say for certain that it will completely resolve the banding issue, but I have noticed that the worst banding is in the areas where the yellow tint is most prominent. I have also been testing my display every day to monitor any changes, and I am happy to report I do see a minor reduction in both the yellowing and banding (I've only had my Nexus 4 for five days so far).
Give it a couple of weeks, run some intensive games to get the processor to heat up every day. Keep brightness at max for the next few weeks and let us know if you see any improvements.
As for the pattern of the digitizer in the glass.. it's not going anywhere so get used to it. I don't like it much either but it seems to be less prominent once you start becoming used to it.
Good luck, let us know how it goes

Hey man,
Curiously enough I've never had the yellow tints everybody's complaining about. I'm used to The digitizer matrix ( rectangles) buy at first it was really weird. I was coming from a non HD display ( a RAZR Maxx) so naturally, I expected that my N4 would have a perfect screen.
I've had my N4 for almost two months now and the banding has not reduced. I made some research over the last month and I found that with some kernel settings for saturation the banding is reduced. I'm not sure if it is really reduced or the clear gray tones that have the banding just don't appear anymore because of the saturation.
The Trinity kernel reduces this a bit but like I said, your screen will look life a f*** ing AMOLED.
Right now I'm using the kernel provided by the 123 FAUX CLOCK project. I'm using the LG factory presets and for the most part I'm really happy with the screen. If you or anybody else comes up with a different solution, let others know on this thread.
Peace brothers.
Sent from my Nexus 4 using xda app-developers app

Just for kicks, if you stop by a T-mobile location compare your screen with the display model and see if you can spot the yellow tint on either screen (on a white background)
I will update this thread with my phone's progress (or lack thereof if it stops improving).

I get banding issues also, more noticeable in grey backgrounds; but I can I see them in other colors if I look hard enough
I use a dark black theme to avoid looking at those bands

I can say this. I've had a ton of devices..latest was s3 and I'll just say I'm stoked to have IPS over pen tile. Just knowing HD was plagued by this alone was enough for me to ditch Sammy all together especially after seeing rgb on note 2 was no better. This is my opinion of Samsung's design ...I know why they chose it but I can't and won't buy another amoled until they get another tech in order. So now I say kudos on IPS but I'm surely a screen purest and I found these hardware screen/digitizer artifacts you speak of and to me its so much less noticeable. Your not alone. You just like good clean HD like me. Lol HTC one should be a nice one to check out...
Sent from my Nexus 4 using xda premium

That would be a little like kicking myself in the nuts. Nothing good can come out of that.
If I spot the yellow tints once, then I will always look for it. I hate doing that with the banding but it's an automatic thing.
I dunno why but it really bums me out whenever I have a problem with my phone.
Let's keep posting of someone finds a solution or something .
Sent from my Nexus 4 using xda app-developers app

I've got the quite visible digitizer rectangles too. In anything less than a dark room if the phone is not on a perfect angle they are visible.
I can't really tell if "everyone's" is like that, or just some are "worse" than others.
visibledigi1.jpg
Here's an image with them visible with the screen on (and at an angle) - difficult to take a photo of - but much easier to see with the naked eye.
visibledigi2.jpg
visibledigi3.jpg
Few more with the screen off.

sargorn said:
I've got the quite visible digitizer rectangles too. In anything less than a dark room if the phone is not on a perfect angle they are visible.
I can't really tell if "everyone's" is like that, or just some are "worse" than others.
visibledigi1.jpg
Here's an image with them visible with the screen on (and at an angle) - difficult to take a photo of - but much easier to see with the naked eye.
visibledigi2.jpg
visibledigi3.jpg
Few more with the screen off.
Click to expand...
Click to collapse
Went and checked out an Optimus G today (Nexus 4 isn't actually released in Japan). Given that a Nexus 4 is just a remodeled Optimus G I thought it'd be worth comparing screens. The digitizer matrix is barely visible on the G I was looking at with the screen OFF. With it on you could almost see it at some angles. It is much more visible on my Nexus 4 which you can almost always see with the screen off and at an angle and often with the screen on.
I'm leaning towards my phone being "less than a perfect example of a Nexus 4" and not the "norm" at the moment.

they are much more noticeable in Rev 11 devices and they where barely visible in Rev 10, i am sure that there is a technical reason behind it

DynamicRam said:
they are much more noticeable in Rev 11 devices and they where barely visible in Rev 10, i am sure that there is a technical reason behind it
Click to expand...
Click to collapse
See that explains it a little more. Not sure I see the logic in putting a screen with pretty decent viewing angles on a device and then sticking a really visible digitizer on it though.
I've contacted the seller and I guess I'll wait and see what they say in regard to it.

Nexus 7 2013 screen light leak on top side

I noticed there is a light leak in the Nexus 7 2013 when playing games with dark scenes. Here's a photo of mine:
http://oi41.tinypic.com/2uzqbgn.jpg

That specific area of bleed is present to some degree on most units.

That's my problem too.
Where can i get their support email? I'm thinking if i can keep it for awhile then return to them for replacement after 2 months. Can i do that?
@scandiun will you send it back?
Sent from my Nexus 7 using Tapatalk 4

How about a picture of a "dark game" where you see this? Also, is your brightness all the way up? Put your brightness where you usually have it and show picture of real world use where you see this..
I think the whole light bleed thing is always blown out of proportion. Many people go to a black screen and then turn the brightness all the way up and think they have a giant issue when the truth is most would never see it at all under normal use.
Sent from my Nexus 7 using xda app-developers app

Richieboy67 said:
How about a picture of a "dark game" where you see this? Also, is your brightness all the way up? Put your brightness where you usually have it and show picture of real world use where you see this..
I think the whole light bleed thing is always blown out of proportion. Many people go to a black screen and then turn the brightness all the way up and think they have a giant issue when the truth is most would never see it at all under normal use.
Sent from my Nexus 7 using xda app-developers app
Click to expand...
Click to collapse
Of course I'm displaying a black image with brightness to the maximum. However, with brightness to the medium it's still noticeable on games like Mystery Room which have a black frame on dialog scenes. I tried to take a photo of it but the center of the screen gets oversaturated so does not reflect what you are seen in person.
In the iPad that doesn't happen, so if there's a difference there's a reason for it, and the reason is lower standards.

Richieboy67 said:
How about a picture of a "dark game" where you see this? Also, is your brightness all the way up? Put your brightness where you usually have it and show picture of real world use where you see this..
I think the whole light bleed thing is always blown out of proportion. Many people go to a black screen and then turn the brightness all the way up and think they have a giant issue when the truth is most would never see it at all under normal use.
Sent from my Nexus 7 using xda app-developers app
Click to expand...
Click to collapse
A LOT of movies and tv shows have several dark scenes, some are all night time/dark. If you have even a little light bleed you're going to notice it. And don't be an apologist and say something like "it's a tablet, not a tv", even Google promotes it as a device for media consumption. No one should accept light bleed.
Sent from my Nexus 7 using Tapatalk 4

Richieboy67 said:
How about a picture of a "dark game" where you see this? Also, is your brightness all the way up? Put your brightness where you usually have it and show picture of real world use where you see this..
I think the whole light bleed thing is always blown out of proportion. Many people go to a black screen and then turn the brightness all the way up and think they have a giant issue when the truth is most would never see it at all under normal use.
Sent from my Nexus 7 using xda app-developers app
Click to expand...
Click to collapse
I've noticed light bleed on top of my tablet, but it didn't bother me because it was faint and only noticeable, like you said, on a black screen. The build quality is still bad regardless if it bothers me or not, and I would think it's something to get people noticed about so it's fixed rather than brushing it off like it doesn't matter.

FluffyR said:
I would think it's something to get people noticed about so it's fixed rather than brushing it off like it doesn't matter.
Click to expand...
Click to collapse
I don't think it's something fixable by software. Rather seems the physical location of the backlight which of course you can't change.

scandiun said:
I don't think it's something fixable by software. Rather seems the physical location of the backlight which of course you can't change.
Click to expand...
Click to collapse
I realize this, I think the quality control from ASUS is crap. When I say to get it fixed, I meant for future production models.
So for people that have returned theirs and waiting to buy another one down the line it wouldn't be a problem for them.
Might not even happen if people don't realize or make a fuss about it. Personally, the static sound issue bothers me more than this slight light bleed.

FluffyR said:
I realize this, I think the quality control from ASUS is crap. When I say to get it fixed, I meant for future production models.
So for people that have returned theirs and waiting to buy another one down the line it wouldn't be a problem for them.
Might not even happen if people don't realize or make a fuss about it. Personally, the static sound issue bothers me more than this slight light bleed.
Click to expand...
Click to collapse
I would rather go with a Samsung tablet, but they are still behind in terms of screen quality, for example the Galaxy Tab 3 7.0 or 8.0. So I will wait.
Anybody can confirm that the Galaxy Tabs don't have this issue?

nexus 7 fix
Mine was like this but I managed to sort it.....here is how
Get a mobile phone mobile repair kit from Amazon or eBay for a couple of quid, as long as it has a large flat pry bar in then that's all you need.
You may need to research this bit, but you tube how to take the back cover off nexus 7 2013 and follow their instructions to do so.
Once the back is off loosen all the screws you can see by one or two turns, lay the nexus on a flat surface and tighten the screws up pretty tight, usually a little tighter than they were before, turn the nexus on but be careful and run a light bleed app. Check any areas where there is light bleed, re undo the screws in the area and slightly bend the chassis (very lightly!!!) And let settle then re do up the screws, keep doing this until most of the bleed has gone. Finally, get the back case, slightly bend the case in on itself as with mine it was pulling more in one direction making the nexus chassis bend slightly. Please treat gently, don't be rough at all.then pop it all back together starting from the charging port making sure its lines up correctly.....and bingo, much less bleed.
The bleed seems to be because the chassis is very flexible and the screen is solid, and its just a matter of the screen 'settling' in the right place I guess.
I hope this helps people out.
If your not technical then I wouldn't try it as you could easily short something out, but it worked for me very well
Good luck

FluffyR said:
I realize this, I think the quality control from ASUS is crap. When I say to get it fixed, I meant for future production models.
So for people that have returned theirs and waiting to buy another one down the line it wouldn't be a problem for them.
Might not even happen if people don't realize or make a fuss about it. Personally, the static sound issue bothers me more than this slight light bleed.
Click to expand...
Click to collapse
I agree that quality control is crap. But that's what we get when we buy a tablet at this price point. Is it wrong to expect perfection when we pay our hard earned money to companies like Asus? No. But realistically, how many of us can say that our tablet is literally perfect?
I honestly feel that the Nexus line of tablets will never be perfect. They will always have some sort of issues. Asus just doesn't care because they keep selling millions of units. Unless there is a national boycott of buying Nexus tablets the issues will always be there.

Yaminashi said:
I agree that quality control is crap. But that's what we get when we buy a tablet at this price point. Is it wrong to expect perfection when we pay our hard earned money to companies like Asus? No. But realistically, how many of us can say that our tablet is literally perfect?
I honestly feel that the Nexus line of tablets will never be perfect. They will always have some sort of issues. Asus just doesn't care because they keep selling millions of units. Unless there is a national boycott of buying Nexus tablets the issues will always be there.
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Click to collapse
The screen itself is not that bad. It's better screen that ipad mini retina.

Mine has light bleed aswell on top center of the screen but as it was stated, it doesn't bother me since it's not noticeable during everyday usage. Only time I can see it perfectly is during booting where the screen is totally black.
Now, I also believe this is the case regarding all the other occurencies and people just blow it out of proportion.
Also, if it is that bad, just return it, or post on the appropriate threads. There are already millions of threads here and everywhere else about this...
It's annoying.

username4this said:
Mine has light bleed aswell on top center of the screen but as it was stated, it doesn't bother me since it's not noticeable during everyday usage. Only time I can see it perfectly is during booting where the screen is totally black.
Now, I also believe this is the case regarding all the other occurencies and people just blow it out of proportion.
Also, if it is that bad, just return it, or post on the appropriate threads. There are already millions of threads here and everywhere else about this...
It's annoying.
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Click to collapse
In the end it's not that important, it's much worse the sound issue.

BlueHue/YellowHue/Speakers - Google's Response

I gave Google a call about the pink hue after trying to ignore it all day. I was told that anyone with a pink or yellow hue should return the device as soon as possible and that those units are from an early batch. The engineers are apparently trying to resolve the issue now. The glue curing advice is incorrect and I suggest you don't wait their suggested 10 day wait time.
As for the speakers, they should both be equal. This includes both bass and treble and the sound (including volume) from both speakers should be identical.
For anyone who isn't aware, stock is kept aside and priority is given to replacements. So if that's all that's holding you back, get sending.

MajorCS said:
I gave Google a call about the pink hue after trying to ignore it all day. I was told that anyone with a pink or yellow hue should return the device as soon as possible and that those units are from an early batch. The engineers are apparently trying to resolve the issue now. The glue curing advice is incorrect and I suggest you don't wait their suggested 10 day wait time.
Click to expand...
Click to collapse
What's the number to get in touch with Google to talk to them about it?

MajorCS said:
I gave Google a call about the pink hue after trying to ignore it all day. I was told that anyone with a pink or yellow hue should return the device as soon as possible and that those units are from an early batch. The engineers are apparently trying to resolve the issue now. The glue curing advice is incorrect and I suggest you don't wait their suggested 10 day wait time.
As for the speakers, they should both be equal. This includes both bass and treble and the sound (including volume) from both speakers should be identical.
For anyone who isn't aware, stock is kept aside and priority is given to replacements. So if that's all that's holding you back, get sending.
Click to expand...
Click to collapse
Have you gotten your device replaced? I have a slight link hue and don't want to risk getting a device with a worse screen. I'm just going to RMA it in a month to be extra careful.
Sent from my Nexus 6P using Tapatalk

Google Nexus Support, then screen, then screen not working. It requests a call for you. I'd link but I'm restricted with less than ten posts.
I had to keep pushing for him to admit it was a defect and that they are working on it. So there's a little bit of tippy toeing happening I think.
Sadly I can't go through Google for my replacement (with an Aussie carrier). I'll be returning it tomorrow.

Yea, I googled it, lol what was I thinking.
Anyway, thanks for post. After talking to my rep (who was awesome about everything, no tip toeing around, he just wanted to make sure I was happy with my phone) he had me test the screen a little and decided that a replacement was required. Just have to tell my bank another charge is coming and it'll be on its way. I highly recommend giving them a call if you're having color issues with the screen. (I never saw pinks, just yellow)

MYxdaUSERNAME said:
Yea, I googled it, lol what was I thinking.
Anyway, thanks for post. After talking to my rep (who was awesome about everything, no tip toeing around, he just wanted to make sure I was happy with my phone) he had me test the screen a little and decided that a replacement was required. Just have to tell my bank another charge is coming and it'll be on its way. I highly recommend giving them a call if you're having color issues with the screen. (I never saw pinks, just yellow)
Click to expand...
Click to collapse
What kind of test did you do?
Sent from my Nexus 6P using XDA Free mobile app

All he had me do was crank brightness to max, no adaptive or auto brightness, then scale it back to about 1/3 brightness and report what I saw.
Thankfully I'll get to at least check out the two next to each other when the new one gets here. I didn't wanna take one of the replacements if I didn't need to.

For anyone wondering what the best way to identify the fault is, this is what I did:
First turn off Adaptive Brightness and then slide the brightness to the lowest setting possible. Then open up a white page and slide it back and forwards. Then turn on the Adaptive and try again. If it's hugely noticeable, then you have a defective unit.
Generally the pink or yellow hue issue decreases slightly with Adaptive Brightness off + sRBG mode in the developer options. The hue is increased on lower brightness, with Adaptive on.

MajorCS said:
For anyone wondering what the best way to identify the fault is, this is what I did:
First turn off Adaptive Brightness and then slide the brightness to the lowest setting possible. Then open up a white page and slide it back and forwards. Then turn on the Adaptive and try again. If it's hugely noticeable, then you have a defective unit.
Generally the pink or yellow hue issue decreases slightly with Adaptive Brightness off + sRBG mode in the developer options. The hue is increased on lower brightness, with Adaptive on.
Click to expand...
Click to collapse
This is not a defect, AMOLED screens at the lowest possible setting shift more than IPS LCD towards a pinkish/red hue. Yours may just be slightly worse, but if the effect is only noticeable on the lowest brightness setting then this is not a reason to RMA. Your unit is not defective

andreoidb said:
This is not a defect, AMOLED screens at the lowest possible setting shift more than IPS LCD towards a pinkish/red hue. Yours may just be slightly worse, but if the effect is only noticeable on the lowest brightness setting then this is not a reason to RMA. Your unit is not defective
Click to expand...
Click to collapse
I would agree with that if the pink is even on the entire screen. Mine is coming from the bottom this time. Visible in high and more on low brightness. Top is yellow bottom pink that's not an Amoled feature lol
Sent from my Nexus 6P using XDA Free mobile app

wazka2 said:
I would agree with that if the pink is even on the entire screen. Mine is coming from the bottom this time. Visible in high and more on low brightness. Top is yellow bottom pink that's not an Amoled feature lol
Sent from my Nexus 6P using XDA Free mobile app
Click to expand...
Click to collapse
If it's even slightly visible on high it is a defect. My point is a lot of people have said they only see it on low brightness, which isn't a defect.

easy tiger, @andreoidb. it may be defective. Who are you to say what is noticeable or not without witnessing it? I've had lots of amoled displays without this hue.

andreoidb said:
If it's even slightly visible on high it is a defect. My point is a lot of people have said they only see it on low brightness, which isn't a defect.
Click to expand...
Click to collapse
Putting mine to 100% brightness on xda app. Top is still nice warm yellow but bottom very bright white/pink cold white as if someone was pointing the torch from the corner of the screen lol
Sent from my Nexus 6P using XDA Free mobile app

kboya said:
easy tiger, @andreoidb. it may be defective. Who are you to say what is noticeable or not without witnessing it? I've had lots of amoled displays without this hue.
Click to expand...
Click to collapse
I'm not saying it isn't defective. I'm saying that that method of testing is flawed. Just turning down the brightness and looking to see if it turns red is not a great way of testing. AMOLED screens, at the lowest brightness a significant amount of color shift to red/pink. Even if it's only in a portion of the screen, if its only visible on the lowest brightness it isn't a defect. I can say that without seeing the screen. If, though, its red/pink on higher brightness its likely defective.

I must have been confused by the statement "Your unit is not defective".

does anyone have any pictures of what the blue/yellow/pink hues look like?

Just wanted say that not all amoled screens have this pink/yellow hue and it's definitely not normal. My Nexus 6 amoled has none of that...so considering the 6P has even a better display it shouldn't have that either.

I have two nexus 6p and there's a difference in screen color for sure

I'm hoping that some of these super-delayed 128GB models (such as mine!) are delayed due to taking steps to minimize issues such as this. I'm probably dreaming, but hey, it could happen!

andreoidb said:
I'm not saying it isn't defective. I'm saying that that method of testing is flawed. Just turning down the brightness and looking to see if it turns red is not a great way of testing. AMOLED screens, at the lowest brightness a significant amount of color shift to red/pink. Even if it's only in a portion of the screen, if its only visible on the lowest brightness it isn't a defect. I can say that without seeing the screen. If, though, its red/pink on higher brightness its likely defective.
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Apologies, I should have clarified. That method of testing simply helps view the color changes a bit more clearly. You're able to see it increase and decrease, instead of having nothing to compare the current screen with. Doing that gives the numerous color changes.
The pink tint at the lower brightness (at least to the level mine was), is not normal. It's almost a deep purple. It's also there at a higher brightness. Place this phone next to another and it's pretty obvious . You're never going to get a perfect screen with AMOLED , but this is terrible.

Fix uneven/yellow screen with intentional burn-in

So I was on my 2nd Nexus 6P and like the first it had an uneven screen. Normal/slightly pink at the top and at the bottom it's more yellow. Instead of returning it I've decided to try and fix the yellow tint by intentionally causing a burn-in on the over-enthusiastic green pixels in the bottom half of my screen.
To do this I flashed a kernel which unlocks the high-brightness mode of the display, the awesome EX kernel, set my screen timeout to 15 minutes and left the display turned on for 3x15 minutes in high brightness mode with a black-to-green gradient open full screen in the Photos app (absolutely nothing else on screen). After each of the 15 minutes I checked the progress, after the 3rd time I considered it done. I'm happy to report that this has nearly eliminated my uneven screen problem.
So far I've seen no ill effects, just a nice even screen.
I used this black-to-green gradient that was a close match to where my screen was yellow. My first 6P had a different pattern of yellowness, so that would have required a different gradient, more like black-green-black.

Interesting, the normal slightly pink at the top transitioning to yellow at the bottom describes the screen on my original nexus 6P and it's replacement.
I'll look into giving this a try as well.

I´m not sure if something like this could be considered as a defect. If you look at a very high angle, you might see some sort of "rainbow effect" on the screen. You should be careful about "burning in" Pixels in a Amoled screen. High brightness will wear out the LEDs faster than you think. At least this is how I remember my old Samsung Galaxy S3 but maybe Amoled technology has improved a lot.

Gorgtech said:
I´m not sure if something like this could be considered as a defect. If you look at a very high angle, you might see some sort of "rainbow effect" on the screen. You should be careful about "burning in" Pixels in a Amoled screen. High brightness will wear out the LEDs faster than you think. At least this is how I remember my old Samsung Galaxy S3 but maybe Amoled technology has improved a lot.
Click to expand...
Click to collapse
I can't really comment on if the OP's method is safe or not, but it is worth noting that the gradient/tint change is noticeable even when viewed straight on under normal use, such as browsing etc.
It could sort of be likened to the old TN based flat screens from a number of years ago where the top and bottom looked slightly different colours, however a lot of this was down to narrow viewing angles. I'm wondering if the same applies to the specific AMOLED display used by the 6P as well.
The AMOLED screens on my Moto X 2nd Gen and Moto X Force don't have the same problem.

I have a slight purple tint too on the screen but it is only visible on a white background. It does not bother me, if you set a higher brightness it is barely visible. Maybe all Nexus 6P have this sort of display and you simply have to live with it.
Azarin said:
I can't really comment on if the OP's method is safe or not, but it is worth noting that the gradient/tint change is noticeable even when viewed straight on under normal use, such as browsing etc.
It could sort of be likened to the old TN based flat screens from a number of years ago where the top and bottom looked slightly different colours, however a lot of this was down to narrow viewing angles. I'm wondering if the same applies to the specific AMOLED display used by the 6P as well.
The AMOLED screens on my Moto X 2nd Gen and Moto X Force don't have the same problem.
Click to expand...
Click to collapse

Would you happen to have a before image for your screen? I would like to try this on my phone but can't say for sure what exact color the uneven section is. Most of the screen seems to have a pink tint that fades into a green/yellow tint in the bottom left corner. I don't want to stress the wrong color accidentally.

Can you post before and after pics of your screen please?

Gorgtech said:
I have a slight purple tint too on the screen but it is only visible on a white background. It does not bother me, if you set a higher brightness it is barely visible. Maybe all Nexus 6P have this sort of display and you simply have to live with it.
Click to expand...
Click to collapse
Its a well known characteristic of samsung AMOLED screens. Samsung users have been complaining about this for some time. Its actually worse on the sgs6. But more brightness will make it less noticeable. Honestly, if you forget about it and stop focusing on it, you will stop noticing it.

Yeah I understand some are really bad you should send it back.but if its slight. There's no.point obsessing about it. It takes the joy away from using the phone

android4life92 said:
Yeah I understand some are really bad you should send it back.but if its slight. There's no.point obsessing about it. It takes the joy away from using the phone
Click to expand...
Click to collapse
It's impossible not obsessing about it since the display is very thing you look at when using a phone, people wouldnt tolerate if it was an LCD, dead pixels or any other defect at the advertised price, but since it's amoled we should be expected that these errors occur.
The issue on slight displays is that the screen is uneven on white, so its impossible to ignore on web browsing and how dark ui and gapps is not provided by Google, I would prefer it to be slightly pink/blue all over not half so you won't notice it.
Not meaning to rant and whine but consumers shouldn't have to accept this or fix the issue themselves, when I show the phone of friends, they notice the inconsistent white background and are shocked when I say its something you have to live with, the features are not going to outweigh the display issue
The joy of the phone is still there, just wish they implement quality control.

I complained about this on my Nexus 6. Ended up buying and returning a total of about 8 phones from various stores until i found the "perfect" one. Its incredibly irritating when you can notice it and its the first thing you see when the pixels light up. Some people may care more than others but im not willing to compromise anymore. AMOLED displays look great, but LCDs seem to have a better yield or QA. I was of course down voted and flamed about this. Good to see people starting to take action against garbage quality AMOLEDs.

ariekanarienl said:
So I was on my 2nd Nexus 6P and like the first it had an uneven screen. Normal/slightly pink at the top and at the bottom it's more yellow. Instead of returning it I've decided to try and fix the yellow tint by intentionally causing a burn-in on the over-enthusiastic green pixels in the bottom half of my screen.
To do this I flashed a kernel which unlocks the high-brightness mode of the display, the awesome EX kernel, set my screen timeout to 15 minutes and left the display turned on for 3x15 minutes in high brightness mode with a black-to-green gradient open full screen in the Photos app (absolutely nothing else on screen). After each of the 15 minutes I checked the progress, after the 3rd time I considered it done. I'm happy to report that this has nearly eliminated my uneven screen problem.
So far I've seen no ill effects, just a nice even screen.
I used this black-to-green gradient that was a close match to where my screen was yellow. My first 6P had a different pattern of yellowness, so that would have required a different gradient, more like black-green-black.
Click to expand...
Click to collapse
This post is old but I wanted to try this nonetheless. You can't just burn in or wear out the pixels in such sort of time no matter what. 45 mis is not enough to cause such an effect. I tried it as I have a screen with the same exactly issue but there is no change. And I did it for far more than you. I let it all the night long for 3 days. There was no change. I don't think you can fix this issue this way (or any other way)

You guys keep saying "AMOLED issue". I bought 6p after having OnePlus X - it has AMOLED without any issue, it was perfect screen! Nexus 6p is great phone, but screen really bothers me... I hate, but I need to replace the phone. And I am not sure whether I will get a good phone or not. Support told me that if I would ask for replacement - they could send me a refurbished phone. Only buying new will give a new phone. I can still return it as I have it for few days...

mariojas89 said:
You guys keep saying "AMOLED issue". I bought 6p after having OnePlus X - it has AMOLED without any issue, it was perfect screen! Nexus 6p is great phone, but screen really bothers me... I hate, but I need to replace the phone. And I am not sure whether I will get a good phone or not. Support told me that if I would ask for replacement - they could send me a refurbished phone. Only buying new will give a new phone. I can still return it as I have it for few days...
Click to expand...
Click to collapse
Hey,
Seriously, a refurbished device just after a few days? Like you had it for 10 months, lol? Is it Huawei?
Escalate the case to a supervisor and don't give up until you get a "proper" new phone!
Good luck...