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Blueish screen?

I haven't received my Galaxy S yet but everytime I use my friend's I think the screen is just too blueish. Mostly the white parts. And I also think a "square field" is visible all over the screen. Is this because the resolution is too low compared to the size?
The phone itself is great so I still want it, but I'm afraid the screen will make me disapointed, especially since I've read so much about the Super AMOLED is so great.
Are all Galaxy S' screens like this?

What is the "square field"? please explain better.
And let's start from clearing the point of resolution/size-
800X480 is more than enough to go up to 7". If anything, it might be the pentile matrix that the screen uses.

I guess it's these "squares" I see: http://www.engadget.com/photos/iphone-4-vs-samsung-galaxy-s-display-face-off/#3115591
You're probably right that it's more the pentile matrix I notice more than lack of resolution.
I cant understand why many reviews says this screen is very good when it's very noticable.

I've seen mentions of different Galaxy S phones having different colour temperatures, though mine seems fairly cool.
PenTile does, unfortunately, make text less sharp, and there is a bit of a screen-door effect (I think that's the term you're looking for). It's a tradeoff for having a Super AMOLED screen - excellent contrast and very bright, but not as good as a TFT for text. I've become accustomed to it though, despite my misgivings (but a non-PenTile SAMOLED really would be the best screen without question).

Mithent said:
I've seen mentions of different Galaxy S phones having different colour temperatures, though mine seems fairly cool.
PenTile does, unfortunately, make text less sharp, and there is a bit of a screen-door effect (I think that's the term you're looking for). It's a tradeoff for having a Super AMOLED screen - excellent contrast and very bright, but not as good as a TFT for text. I've become accustomed to it though, despite my misgivings (but a non-PenTile SAMOLED really would be the best screen without question).
Click to expand...
Click to collapse
What's the good side with PenTile? And yes, I've searched for "screen-door effect" and it seems as if that is what I'm seeing.

Yes, Galaxy S display seems to have quite high colour temperature. You can sort of calibrate it using the calibration app that was developed for Nexus One a while ago and is now part of CM6, but you have to run Froyo, install it manually and lose video overlay, so it's not really usable right now. Nevertheless I've managed to calibrate my SGS to more or less 6500K using it.

Case_ said:
Yes, Galaxy S display seems to have quite high colour temperature. You can sort of calibrate it using the calibration app that was developed for Nexus One a while ago and is now part of CM6, but you have to run Froyo, install it manually and lose video overlay, so it's not really usable right now. Nevertheless I've managed to calibrate my SGS to more or less 6500K using it.
Click to expand...
Click to collapse
What is the downside of losing video overlay?

Not being able to play back videos and shoot pictures and videos Or, to be precise - you can do all of that, but all you see is white screen

Case_ said:
Not being able to play back videos and shoot pictures and videos Or, to be precise - you can do all of that, but all you see is white screen
Click to expand...
Click to collapse
Oh. Well, guess I'm not going with that solution then
But since it can be done through software, does it mean that Samsung could make an update and fix this?

I had this on my old galaxy S and coming from the x10's tft it was painfully obvious the white colour had a blue/green tint to it. I then got it replaced and the tint was still there but not so obvious. Now after a while the white colour looks perfect white. I think my eyes have adjusted or something.

rocketpaul said:
I had this on my old galaxy S and coming from the x10's tft it was painfully obvious the white colour had a blue/green tint to it. I then got it replaced and the tint was still there but not so obvious now after a while the white colour looks perfect white. I think my eyes have adjusted or something.
Click to expand...
Click to collapse
Ok, guess I'll have to wait until I get my before I know how bad it is.

My friend got a blueish Galaxy S I9000. Mine isnt that much!! Next to his looks like mine is Redish, but mine next to my Monitor looks blueish! I believe some Screens have more blue tint than others

Mine is very white. Put the phone on a white screen (using a screen torch app) and the screen looks whiter than a piece of white paper.

Hey all, keep us updated if there's any application that can change the color temperature without affecting the functionality.

I got the phone a few days ago and my friend's is defenitly more blueish than mine. I dont notice the screen-door effect anymore so I'm very very happy with it.
Sent from my GT-I9000 using XDA App

I´ve read something on a German Mobile Phone Review Site (don´t know the which one it was now) and they said, that this is normal, because of the AMOLED Tecnology. They said that the Colors will loose the intensity over the years and as blue is the most energetic Color in the spectrum it looses faster the intensity. That is why it looks now maybe a little bit diferent. After a while it should normalise, because it was planned by the manufactures.
Ok found the Site. Heres the translation:
Higher blue components of the display of the Galaxy S may have been deliberately created by Samsung with the idea that the blue OLEDs are aging much faster than green or red. After months of use should mitigate this effect and color balance to be balanced.

djr83 said:
But since it can be done through software, does it mean that Samsung could make an update and fix this?
Click to expand...
Click to collapse
They could do that if they wanted to, yes. But don't expect them to do so, I don't think colour temperature is of any importance to them if it stays within usable range.
zeusalmighty said:
Hey all, keep us updated if there's any application that can change the color temperature without affecting the functionality.
Click to expand...
Click to collapse
Got this tip a while ago on some other thread - you can start Video player, play some video, go to Settings and change the Colour tone to Warm. It stays changed even when you leave the player. It's not perfect, but it helps a bit.

rocketpaul said:
I had this on my old galaxy S and coming from the x10's tft it was painfully obvious the white colour had a blue/green tint to it. I then got it replaced and the tint was still there but not so obvious. Now after a while the white colour looks perfect white. I think my eyes have adjusted or something.
Click to expand...
Click to collapse
Actually, YES! Your eye do adjust to the white that you are looking at.
You've been doing this all of your life and haven't noticed it. The light in the morning is a very different color than the light at noon. In the morning, it is likely very red if the weather is good, and very white at noon... yet everything looks normal to you... because your eyes adapt to the color.
Adjusting to your screen is the same way. But compare it side by side with another screen and one or the other is going to look "wrong", usually the one you haven't been staring at all day!

djr83 said:
I got the phone a few days ago and my friend's is defenitly more blueish than mine. I dont notice the screen-door effect anymore so I'm very very happy with it.
Click to expand...
Click to collapse
Congratulations, your brain has created a special filter, using a process called "adaption", by the human vision scientists, that blocks the screen-door effect. You didn't know it, but your brain created one years ago that blocked out the 'striped-lawn' effect caused by the columns of RGB subpixels on conventional color displays. That 'striped-lawn' effect was just as visible the first time you saw one, but that was likely many years ago.

Okay so this blue tint thing is somewhat strange, still no clear answers.
Some people are saying "this is normal for super amoleds." I have to disagree. If this was normal, then every single Super Amoled would have this blue tint. I've put my samsung galaxy s vibrant side by side next to the samsung galaxy s epic, fascinate, captivate and other vibrants. Some have a blue tint, and others don't. Others have nice rich whites, while some like mine have a blue tint.
Makes no sense, so I'm not buying the "all super amoleds have this blue tint" statement. They don't all have them!
I've used my phone for over 2 months now, and the blue tint is not fading at all. Something else people said. I don't plan to keep this phone for 10 years, waiting for the blue to fade, I want nice white now, not blue whites.
Anyone have any updates on this blue tint some galaxy s phones show?

[Q] Faint grey lines across screen.

Picked up my HTC One today and loving it so far, except I've noticed one thing - faint grey lines running across the screen, most notable against a white background (my attention was drawn to them in 'settings').
Others have reported it with no real conclusions being drawn:
http://forum.xda-developers.com/showthread.php?t=2241829
http://forum.xda-developers.com/showthread.php?t=2241819
Any idea what these are, are they the norm and what causes them? Should I attempt to swap it?
Thanks for any help.

How faint? Could be the touch-sensor.

catachresistant said:
How faint? Could be the touch-sensor.
Click to expand...
Click to collapse
I'm not sure how to describe how faint they are, they're not hugely noticeable and appear evenly spaced.

I think your seeing the backlight lines ..... which you notice lets for e.g when you open chrome browser to an emplty white page. right?

Same lines as keyboard flickering that you see out the corner of your eye? I feel like I'm trying to catch the elusive Bigfoot catching the keyboard flicker, but it never happens when I glaringly stare at the keyboard!
Sent from my HTC One using xda premium

insomnia said:
I think your seeing the backlight lines ..... which you notice lets for e.g when you open chrome browser to an emplty white page. right?
Click to expand...
Click to collapse
Yeah, I can notice them fairly well on a white page in Chrome. Is it normal, or a defect?
Thanks.

normal for back lit screens .... this is one reason i miss Amoled ..... deep blacks and no back light unevenness.
You see these stupid faint lines on $2k retina macbook pro too !

born_fisherman said:
Same lines as keyboard flickering that you see out the corner of your eye? I feel like I'm trying to catch the elusive Bigfoot catching the keyboard flicker, but it never happens when I glaringly stare at the keyboard!
Sent from my HTC One using xda premium
Click to expand...
Click to collapse
I don't know what the keyboard flickering is..and if it exists I certainly don't want to be enlightened about it!
insomnia said:
normal for back lit screens .... this is one reason i miss Amoled ..... deep blacks and no back light unevenness.
You see these stupid faint lines on $2k retina macbook pro too !
Click to expand...
Click to collapse
Right okay, they're not so much a hindrance I just wanted to make sure it wasn't an issue with my device alone. Thanks for the help .

I do believe this is the backlight lines as mentioned above. I noticed this once while outside on a sunny day while checking for scratches, not visible on regular use though.

born_fisherman said:
Same lines as keyboard flickering that you see out the corner of your eye? I feel like I'm trying to catch the elusive Bigfoot catching the keyboard flicker, but it never happens when I glaringly stare at the keyboard!
Sent from my HTC One using xda premium
Click to expand...
Click to collapse
man i thought it was my eye! lol i did notice the keyboard flicker once or twice. did not pay much attention as I was sleepy and I thought it was my eye

I have this too, it shows clearly when I'm in a white page or white color background. I hope that this is normal like someone else mentioned that this is just lcd backlight not just some batch. I hate to go through the hassle of calling them up and return it.
please post here if you have these issue too, so just to verify that this is normal.

ebrn01 said:
I have this too, it shows clearly when I'm in a white page or white color background. I hope that this is normal like someone else mentioned that this is just lcd backlight not just some batch. I hate to go through the hassle of calling them up and return it.
please post here if you have these issue too, so just to verify that this is normal.
Click to expand...
Click to collapse
Yeah on a white background I have the feint grey-ish lines. I think it's the digitiser.

Huh, interesting! I've never seen that before specifically looking for it but yeah, there they are. Boy are they faint though... Like you have to really look for them and have a PURE white background (for mine at least)
They do indeed correspond perfectly to the digitizer lines I was looking at on my phone earlier today ironically! If you tilt the phone on an angle under bright sun light you'll see the horizontal lines of the digitizer under the glass which match the locations. I can't imagine them being related to the backlight though because you can't see the physical structure behind the LEDs when they're on. Try seeing the back inside of a light bulb when it's on ).
Worry not I'd say.
Sent from my HTC One using xda app-developers app

Xerro-Five said:
Huh, interesting! I've never seen that before specifically looking for it but yeah, there they are. Boy are they faint though... Like you have to really look for them and have a PURE white background (for mine at least)
They do indeed correspond perfectly to the digitizer lines I was looking at on my phone earlier today ironically! If you tilt the phone on an angle under bright sun light you'll see the horizontal lines of the digitizer under the glass which match the locations. I can't imagine them being related to the backlight though because you can't see the physical structure behind the LEDs when they're on. Try seeing the back inside of a light bulb when it's on ).
Worry not I'd say.
Sent from my HTC One using xda app-developers app
Click to expand...
Click to collapse
Basically it's nothing to worry about. It's a small disturbance which is needed for your touch screen. If only they could intergrade this better like AMOLED screens do .
Definitely NOT a deal breaker!

Amrut223 said:
Basically it's nothing to worry about. It's a small disturbance which is needed for your touch screen. If only they could intergrade this better like AMOLED screens do .
Definitely NOT a deal breaker!
Click to expand...
Click to collapse
It's definitely a deal breaker for me, I never had this kind of problem with my past phones that I used, including Iphone 4, iphone 5, GS2, GS3 and Galaxy note 1. They all have beautiful perfect screen, no smudge like brownish or grayish line and never have any problem on hardware side whatsoever.
Only with HTC One that I exchanged 3 time and still have the same problem and come with an addition of stuck pixel. Don't get me wrong, I truly love this phone, but this is too much for me, I feel like going backward if I were to use this phone daily and pretend that it's normal. they need to do something with their QA until then I'm done with HTC.

For those who are seeing these grey lines, how are they oriented on your screens? Mine has diagonal lines across the entire screen, which seems really odd to me. They're especially visible on white and light backgrounds. They almost look like fingerprints, excpet that they're under the screen surface...
The thing is, this is my second One (returned the first due to stuck pixels) and I never noticed lines like these on the first one, even though I scoured the screen very closely looking for dead/stuck pixels.

Orcastar said:
For those who are seeing these grey lines, how are they oriented on your screens? Mine has diagonal lines across the entire screen, which seems really odd to me. They're especially visible on white and light backgrounds. They almost look like fingerprints, excpet that they're under the screen surface...
The thing is, this is my second One (returned the first due to stuck pixels) and I never noticed lines like these on the first one, even though I scoured the screen very closely looking for dead/stuck pixels.
Click to expand...
Click to collapse
The are horizontal lines. The thing is when you are looking for a dead pixel you will not notice the lines. Look under a bright light you will see the touch sensor under the glass .

I can't see any lines on a white background. Digitiser lines are visible, barely, in bright sunlight at really harsh angles. I'd take this over the burn in and ghosting present on all AMOLED screens including the GS4 , any day of the week.
---------- Post added at 11:13 AM ---------- Previous post was at 11:11 AM ----------
ebrn01 said:
It's definitely a deal breaker for me, I never had this kind of problem with my past phones that I used, including Iphone 4, iphone 5, GS2, GS3 and Galaxy note 1. They all have beautiful perfect screen, no smudge like brownish or grayish line and never have any problem on hardware side whatsoever.
Only with HTC One that I exchanged 3 time and still have the same problem and come with an addition of stuck pixel. Don't get me wrong, I truly love this phone, but this is too much for me, I feel like going backward if I were to use this phone daily and pretend that it's normal. they need to do something with their QA until then I'm done with HTC.
Click to expand...
Click to collapse
If you never had screen issues on SGS2 and SGS3, as well as galaxy note 1, then you are extremely lucky, and now you are extremely unlucky to have issues with the ONE. Burn in and ghosting is present on all samsung amoled displays.

Amrut223 said:
The are horizontal lines. The thing is when you are looking for a dead pixel you will not notice the lines. Look under a bright light you will see the touch sensor under the glass .
Click to expand...
Click to collapse
Yeah, that's different from the issue I'm having then. The lines I'm seeing on my screen are visible on bright backgrounds and like I said, they're diagonal.

[Q] AMOLED grays - Prospective Buyer

I am a prospective buyer of the Moto X and have my heart set on this phone. However, after using a friend's piece for a while today, I have concerns about the display.
I found the AMOLED display did not render the grays very nicely. They we very reddish brown in my opinion. I understand this is an AMOLED problem, but the X is supposed to have one of the best AMOLEDs out there.
Is this a problem generally in the X or was that perhaps a problem with that particular piece? Is this problem solvable via software?
Thanks!

rebeleagle said:
I am a prospective buyer of the Moto X and have my heart set on this phone. However, after using a friend's piece for a while today, I have concerns about the display.
I found the AMOLED display did not render the grays very nicely. They we very reddish brown in my opinion. I understand this is an AMOLED problem, but the X is supposed to have one of the best AMOLEDs out there.
Is this a problem generally in the X or was that perhaps a problem with that particular piece? Is this problem solvable via software?
Thanks!
Click to expand...
Click to collapse
It's most likely your friends piece.. No reddish brownish grey colors here.

XAlexander_AlexanderX said:
It's most likely your friends piece.. No reddish brownish grey colors here.
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Click to collapse
so the grey's look grey? for example the news/forum/wiki bar near the top of this site? or the quoted text in this post?

rebeleagle said:
so the grey's look grey? for example the news/forum/wiki bar near the top of this site?
Click to expand...
Click to collapse
Dude. I think I see what you're talking about. Comparing to my dad's note 3, his is more grey and mine looks brownish grey. I've never notice that..

XAlexander_AlexanderX said:
Dude. I think I see what you're talking about. Comparing to my dad's note 3, his is more grey and mine looks brownish grey. I've never notice that..
Click to expand...
Click to collapse
Sorry Bro

rebeleagle said:
Sorry Bro
Click to expand...
Click to collapse
I mean the greys are a bit harder to distinguish on his phone but I see the reddish brownish like greys on mine. *sad face*.. He's still jealous over my phone so I still win lol. The note 3 has a larger display and higher ppi so there are going to be differences.

Strange I don't see reddish brown s in mine , the shades of grey I find better than on my sons s4 active.

I've noticed that the greys gets brownish when the display is set to the lowest brightness

Browning and reddish, yep. It doesn't really bother me. My pictures look nice and i can't tell the difference from another screen. I think this is more noticeable in the system UI. Everything else is just fine.

Grey looks grey on my device. I've compared it to about 20 different devices I own (all with different display types) and I haven't noticed any different beyond greys being a tad darker on AMOLEDs, which isn't surprising.
The only time I found there to be an exception was when I set the brightness to 25% or less and held it up to my (far brighter) LED TV. There's an extremely subtle yellowish tint to it that I only see in this case. Immediately moving it away from my TV it looks perfectly fine again.
Long story short: You should be ok, and I wouldn't consider it a reason to not pick up the phone. Even if it were an issue, the device's pros far outweigh that minor detail. Plus you'd likely get used to it over time. Personally I think the screen looks incredible, better than on most other devices I've used.

[Q] Uneven Red tint on the screen?

Anyone having issues with their screens?
I have a red tint near the top right corner.. the bottom left is more bright than the top... it appears like a gradient accross the screen... noticable on dark greys... What should I do? is it a defect or are all devices like this?
Help please. any inputs will be appreciated.

How low is your brightness and is it set to adaptive?

rootSU said:
How low is your brightness and is it set to adaptive?
Click to expand...
Click to collapse
The brightness is set to full, adaptive is off. When set to full, the tint is low but noticable.. when set to 50% the tint becomes more prominent.. and I do not have a problem with the tint.. it is just that it is not uniform.. the top right is tinted while the rest of the display is not.. it is really disturbing when reading an email or typing in landscape.

I think color uniformity issues are quite common on this device. You see some threads on reddit and also here on xda about this issue, most people have some sort of yellow or red tint on parts of their displays. The display of my Nexus 6 is a bit more yellow to the lower right of the screen, however I really only notice it on higher brightness with darker colors in apps like Google Camera or the Material Dark keyboard theme. It used to bug me in the beginning, but I somehow got used to it. I don't see the need for an RMA and get a potentially worse device with other defects as mine is perfect otherwise.

mindfever91 said:
I think color uniformity issues are quite common on this device. You see some threads on reddit and also here on xda about this issue, most people have some sort of yellow or red tint on parts of their displays. The display of my Nexus 6 is a bit more yellow to the lower right of the screen, however I really only notice it on higher brightness with darker colors in apps like Google Camera or the Material Dark keyboard theme. It used to bug me in the beginning, but I somehow got used to it. I don't see the need for an RMA and get a potentially worse device with other defects as mine is perfect otherwise.
Click to expand...
Click to collapse
I was thinking the same.. it doesnt bug me that much. but when it comes to keyboard on landscape and specially the google camera dark grey background.. i can clearly see it... otherwise my device is perfect. I read a lot of articles too.. the device is expensive and at such a price getting a flawed display is unacceptable. My main question is are all amoleds like this.. because I had a galaxy s3 and it had a perfect display with no tint. Are all nexus 6's suffering from this problem or is it just a defective batch that is affecting some people. ? My device is just 2-3 day old so I can get a replacement.... although I am hesitant to do so..

Siddheshpatil said:
I was thinking the same.. it doesnt bug me that much. but when it comes to keyboard on landscape and specially the google camera dark grey background.. i can clearly see it... otherwise my device is perfect. I read a lot of articles too.. the device is expensive and at such a price getting a flawed display is unacceptable. My main question is are all amoleds like this.. because I had a galaxy s3 and it had a perfect display with no tint. Are all nexus 6's suffering from this problem or is it just a defective batch that is affecting some people. ? My device is just 2-3 day old so I can get a replacement.... although I am hesitant to do so..
Click to expand...
Click to collapse
I know the feeling, when my device was just a few days old I freaked out like this too. It's hard to justify at this price point but the truth is, no device is perfect. I went through several N5's back in the day and none of them were perfect, most of them had a few dead pixels, creaking body or even dust particles in the camera.
If you say your device is perfect otherwise, won't you rather live with such a small and hard to notice defect than going through a cycle of potentially worse devices? If you ask me, don't go for a replacement. But in the end it's up to you.

Getting a replacement.
mindfever91 said:
I know the feeling, when my device was just a few days old I freaked out like this too. It's hard to justify at this price point but the truth is, no device is perfect. I went through several N5's back in the day and none of them were perfect, most of them had a few dead pixels, creaking body or even dust particles in the camera.
If you say your device is perfect otherwise, won't you rather live with such a small and hard to notice defect than going through a cycle of potentially worse devices? If you ask me, don't go for a replacement. But in the end it's up to you.
Click to expand...
Click to collapse
Here my vendor is sending me a new device. A box packed one. It should arrive in 2-3 days. The tint on mine isn't noticable when the brightness is above 70% , but I cant use the phone continously at night at such high brightness. Besides the tint is so bugging me when reading anything.. browser, play books.. the uneven color temperature from top to bottom.. it is really annoying and considering that I have paid so much for this I wont settle for this. Lets see how the replacement is, I'll post when it arrives.

Got my replacement.
I got my replacement yesterday. THERE IS NO TINT. BUT. the display has a vertical band that is noticable at time. Well, I can put up with this atleast there is no uneven color anymore. I cannot describe how awesome it feels to use a flawless / near flawless display.

Screen Issue???

Ok. Is anyone facing screen issue on your P20 Pro? There seems to be a gradient colour shift which is very obvious in a dark room when the brightness is set to low. Plus it has a green hue to it. Have a look at the picture attached. Thank you.

birajrai said:
Ok. Is anyone facing screen issue on your P20 Pro? There seems to be a gradient colour shift which is very obvious in a dark room when the brightness is set to low. Plus it has a green hue to it. Have a look at the picture attached. Thank you.
Click to expand...
Click to collapse
Can't say I've noticed it, will take a look tonight.

Yikes!
I haven't noticed either but I'll also take a look tonight.
Either way i would say swap it out because that is nasty.

birajrai said:
Ok. Is anyone facing screen issue on your P20 Pro? There seems to be a gradient colour shift which is very obvious in a dark room when the brightness is set to low. Plus it has a green hue to it. Have a look at the picture attached. Thank you.
Click to expand...
Click to collapse
What software is used ? i want to try to see if i can reproduce it.
But from what i have tried with text on dark backgrounds my screen does not have that colour gradient shift.

bk227865 said:
What software is used ? i want to try to see if i can reproduce it.
But from what i have tried with text on dark backgrounds my screen does not have that colour gradient shift.
Click to expand...
Click to collapse
This is Moon Reader+ and the brightness (which can be adjusted from the app itself) is set at 0 and -25.

bk227865 said:
What software is used ? i want to try to see if i can reproduce it.
But from what i have tried with text on dark backgrounds my screen does not have that colour gradient shift.
Click to expand...
Click to collapse
Ok going by the screenshots is moon+ reader
I tried it for myself and with brightness turned down to zero on phone and in the app i can also see a very slight hue.
But to be honest, i am much more comfortable reading with some background light so i can at least distinguish something of my environment , and then this is a non issue.
For completeness i took a screenshot with my camera , and it's way worse then what i could see with the naked eye.
With the naked eye it is noticable , but not so bad as the camera makes to believe.
Anyway , a non issue for me.
And since my and your screenshot are suffering from the same hue shift , it might even be a problem with the moon+ reader.....
.

bk227865 said:
Ok going by the screenshots is moon+ reader
I tried it for myself and with brightness turned down to zero on phone and in the app i can also see a very slight hue.
But to be honest, i am much more comfortable reading with some background light so i can at least distinguish something of my environment , and then this is a non issue.
For completeness i took a screenshot with my camera , and it's way worse then what i could see with the naked eye.
With the naked eye it is noticable , but not so bad as the camera makes to believe.
Anyway , a non issue for me.
Click to expand...
Click to collapse
Thank you very much for following up. It happens in the gallery too. I've tried it with different pictures that have solid colours such blue, red, green, grey, etc. Do you think the warranty covers intentionally? I bought the phone with full of excitement while I was in Singapore for a holiday. I love this phone so much but the screen is bothering me. Sigh!

birajrai said:
Thank you very much for following up. It happens in the gallery too. I've tried it with different pictures that have solid colours such blue, red, green, grey, etc. Do you think the warranty covers intentionally? I bought the phone with full of excitement while I was in Singapore for a holiday. I love this phone so much but the screen is bothering me. Sigh!
Click to expand...
Click to collapse
I'm pretty sure its not covered , the screen works flawless under normal conditions even in the the dark. Only when i go to extreme's like setting negative brightness levels in software the problem really shows up.
I will never have this problem unless i actively go and look for it.

same for me. the vertical and horizontal lines are not really an issue for me, i though i can live with it: i had the same on my p9 plus but on the left, there is a 2cm zone on all the height really darker and it made it almost unreadable at night (lowest light), even with screen filter or not.
i returned my phone and now i must wait to order a new one... my provider tell me they will not have twilight anymore.
i'm very disapointed.

Amoled screens are always a lottery when it comes to uniformity. Sometimes you have luck other times not. There are good screens out there and this time around I got one of the better ones. I have seen others complain about screen issues so not all screens are good like with most phones that have Amoled. Below is mine at 0% brightness and the app you used.

Mine has the issue as well. I ll be getting my device replaced soon as it also has a slight gap between frame and back panel at top left edge

Same issue here. First P20 Pro had it from bottom to top (pinky purple at the bottom, yellowy green at the top), second one has it left to right, but more pronounced on the bottom of the screen.
Is it worth replacing it again? I'm not happy with paying a significant amount per month for this if the screen is bad on all of them.

I would like to check mine. What is the best way to check this?
Update: So i opened lcd test app on my p20 pro and here's how mine looked like in the dark.
I don't know if i did it right but tell me if i need todo anything more to check this propertly.

Oh ffs, my third one has it too. Significantly green in the top left running about half way down the phone.
I've now been to the store 3 times, it's a 96 mile round trip! Nearly 300 miles of fuel wasted on this rubbish.
I get "it's a chinese phone," but we're paying Samsung prices for it, these screen issues are just unacceptable!

Have p20 pro for 2 weeks now. Always thought it's some dark theme design before found this topic. Have top much brighter than bottom in low light conditions. Can't see in bright room or in dark room with brightness more than 50%. I wouldn't be worried if it wasn't so annoying while I watching YouTube before go to sleep. Half of the screen grey, another near to black.

dannejanne said:
Amoled screens are always a lottery when it comes to uniformity. Sometimes you have luck other times not. There are good screens out there and this time around I got one of the better ones. I have seen others complain about screen issues so not all screens are good like with most phones that have Amoled. Below is mine at 0% brightness and the app you used.
Click to expand...
Click to collapse
99% oled screens has this issue. Some are less visible, some more. But every oled screen phone I held had this issue.
Now I have Note 9 and dark grays are uneven too.

KastrO_on said:
99% oled screens has this issue. Some are less visible, some more. But every oled screen phone I held had this issue.
Now I have Note 9 and dark grays are uneven too.
Click to expand...
Click to collapse
I have a Note 9 now too and while it's not perfect it's one of the most even oled screens I've had when it comes to uniformity.
Sent from my SM-N960F using Tapatalk

dannejanne said:
I have a Note 9 now too and while it's not perfect it's one of the most even oled screens I've had when it comes to uniformity.
Sent from my SM-N960F using Tapatalk
Click to expand...
Click to collapse
Thats right its not that bad but its there. Still visible on dark gray background in dark room.
Can you take photo of your note 9 uniformity? I want to compare it with mine.
You can test it on this picture:
https://imgur.com/a/rfa5O7o

using the app oled tools i can see it quite badly on gren , grey and red .... with mine its at the top .... like the top section of pixels is acting differently .... im going to take mine back because its only 1 week old ... what is it with huawei and screens ... the mate 20 pro is facing big issues with their screens