[Q] galaxy s4 black display issue - Galaxy S 4 Q&A, Help & Troubleshooting

I bought galaxy s4 black edition yesterday....the phone is gorgeous i have to say....
But i have noticing a problem with the amoled.... the lower half of the screen appears to be more bright than the upper half and there is a slight "pinkish" tint in the upper half
The problem seems to go away when i increase the brightness but becomes prominent as the brightness decreases.......do i need to worry.?? Is anyone here having the same problem..?? Plz help as i am really confused whether to sell it or not.....plz help...

Why don't u replace ur phone immediately?

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[Q] Galaxy S2 Display...

Hi People,
I have recently got Galaxy S2 and i was comparing it with my older Galaxy S(I-9000)
I was playing same video file in both devices with 0% & 100% brightness.
In my view, Galaxy S was more brighter and natural looking. Where as Galaxy S2 was king of dull. I mean say at 0% brightness, galaxy S was better and same with both the devices were on 100% brightness.
Technically Galaxy S2 screen is better.
Experts - Can anyone of you feel this way? or it is just my observation.
I have also kept the live wall paper "Spring Zen Free" that also was showing better on my galaxy S.
Even in setting screen, white text on black background was looking better in Galaxy S.
Any one has any idea why it is happening like it?
Plz plz comment.
Regards,
Anoop.
My SGS2 better than my SGS1 .
XDA member review .
You’ve probably read a little on other reviews about the video playback, it’s uniformly been reported as excellent. It is. In fact I would go so far as to say its peerless in the mobile phone world, and by a large margin (its nearest competitor being original Galaxy S as it happens,
http://blog.clove.co.uk/2011/05/31/samsung-galaxy-sii-real-user-review-part-3-media/
http://forum.xda-developers.com/showthread.php?t=1125839
jje
Hello JJE,
Thanks for your quick reply. But could you please tell me that, at 0% brighness of both devices, Galaxy S2 is dull or it is same clear and crisp as Galaxy S?
As i feel it very much that, at 0%, Galaxy S is still brighter than S2.
Is it because they want to increase the battery life?
Kindly revert with your expert comments..
Regards,
Anoop.
Sorry cannot test now sold my SGS1 .
jje
Hi JJE,
One last question on Galaxy S2. on the bottom tray of home screen of Galaxy S2, you will see "Phone" button which is has got a phone icon with Green background.
Do you see some sun rays like texture (diagonal small lines covering green portion) in the green icon? I just want to make sure that, I too have similar texture for that phone button and it is not something defect in the screen. (you might have to look closely)
Similar structure can be seen in "Applications" icon/button on home screen (which is blue in color)
Kindly let me know.
Regards,
Anoop.
Did you turn the screen power option off? even at 100% brightness, it's not actually at 100% brightness until you turn it off. Also go into the background effect to change the color temp
Play with these settings, it alters the display greatly...
Background effect: Dynamic, Standard, Movie?
Auto adjust screen power: Checked? Unchecked?
Browser brightness: Auto off? Auto on?
Display brightness: Auto off? Auto on?
I have to agree, s 2 is duller than my s (i now have both), maybe a power save feature that you can't turn off ? I've also noticed the yellow tint on s 2, compared to a blue tint on the s, and this can vary depending on what background effect you have selected ! This leads me to believe the colour temp could me changed in software. My itouch has a pinky looking tint compared to either galaxy phone.
Sent from my GT-I9100 using XDA App
leeboy22001 said:
I have to agree, s 2 is duller than my s (i now have both), maybe a power save feature that you can't turn off ? I've also noticed the yellow tint on s 2, compared to a blue tint on the s, and this can vary depending on what background effect you have selected ! This leads me to believe the colour temp could me changed in software. My itouch has a pinky looking tint compared to either galaxy phone.
Sent from my GT-I9100 using XDA App
Click to expand...
Click to collapse
Which background setting are you using? Power save feature can be turned off by unticking.
I've sold my sgs too. However there was a week when I had both and I can tell you for certain that the sgsII screen is more natural t in colour then sgs's. Having them both side by side the sgs just looks b l u e. Like really blue.
SgsII screen is the best mobile screen I've used
Sent from my GT-I9100 using XDA Premium App
Thanks all of you, but as i mentioned in my second message,
One last question on Galaxy S2. on the bottom tray of home screen of Galaxy S2, you will see "Phone" button which is has got a phone icon with Green background.
Do you see some sun rays like texture (diagonal small lines covering green portion) in the green icon? I just want to make sure that, I too have similar texture for that phone button and it is not something defect in the screen. (you might have to look closely)
Similar structure can be seen in "Applications" icon/button on home screen (which is blue in color)
Kindly let me know.
Any comments on above?
anoop19b80 said:
Do you see some sun rays like texture (diagonal small lines covering green portion) in the green icon? I just want to make sure that, I too have similar texture for that phone button and it is not something defect in the screen. (you might have to look closely)
Similar structure can be seen in "Applications" icon/button on home screen (which is blue in color)
Kindly let me know.
Any comments on above?
Click to expand...
Click to collapse
Yes. Icons look just the way you described. It's normal, it's not a display problem.

[Q] Screen colors uneven?? Normal?

Hi all,
I know there is alot of discussions surrounding yellow tinting and yellow colors , or uneven screens on S2 , S3.
But I haven't seen much of it talked about for the S4.
My S4 has slightly darker colors on the top of the phone. The difference is quite visible on a white background, and very visible on a grey background.
Here some photos showing the issue:
From the naked eye the differences are not as great as shown on the photos. however it is there. sometimes its darker sometimes its not so much darker. but visible and very evident that the screen colors are not even.
Is there any problem with this? Do I need to take it to Samsung for repair?
When I'm using google for example the top of the screen is like bluish....and the other half of the screen is white.
Because I haven't seen many discuss about this issue, I'm wondering whether its just mine?
You have a defective screen.
Take it back for repair or replacement

Screen uniformity/heat

Just had my UK Note III delivered, and initially was blown away with the screen..
But when the evening came, and the lights dimmed, the screen auto brightness kicked in, and I've noticed some website backgrounds which are lighter shades of grey seem to show a slight cream tinge mainly around the middle of the screen..
I don't know if I'm being too fussy, the screen does seem 'warm' around the middle as well, it's much cooler at the bottom of the screen, where it seems to have no tint at all..
What's everyone else's like..
phil-t said:
Just had my UK Note III delivered, and initially was blown away with the screen..
But when the evening came, and the lights dimmed, the screen auto brightness kicked in, and I've noticed some website backgrounds which are lighter shades of grey seem to show a slight cream tinge mainly around the middle of the screen..
I don't know if I'm being too fussy, the screen does seem 'warm' around the middle as well, it's much cooler at the bottom of the screen, where it seems to have no tint at all..
What's everyone else's like..
Click to expand...
Click to collapse
I just stumbled upon this thread. I have a similar problem and created a thread last night and included a picture.
Did you end up keeping yours or exchanging it?
Thanks!
I exchanged it, but the new phone was not perfect either. I then tried a few galaxy oled phones, like the note 2 and s4, plus a couple of note 3's in the shops, and they all don't have pure whites at lower light levels.
So, I've decided to just keep this, and very used to it. The large screen doesn't help, as viewing angles mean up close never looks perfectly uniform, so it seems a feature of Sammy screens.
The phone is just to awesome for me to get hung up over it. . Most people cannot see these things, and was surprised to see all 5 S4's I got my hands on looked identical, just slightly reduced due to the screen size.
Sent from my Galaxy Note 3

[Screen Issue] Galaxy S4 screen ghosting/smearing Problem

Hey guys I buy s4 (deep black) version from amazon India. I have this from last 2.5 months. Recently I noticed screen ghoshing/ seamring issue on my s4 display. Frankly speaking I never ever noticed my display to much but after only reading this issue on web I do notice.
Issue is like when you scrolling ur screen on black background or black font on white background, the black color produced some purplish and red color waves. This is 3 min video on this issue :-
http://m.youtube.com/watch?v=DOQ91ujRFxU
So tell if this issue exist on your s4, then i dont go to service centre for repair my new grt device...otherwise i don't go. Thank you.

Galaxy S7 edge uneven color temperature

As you know Galaxy S6 and other old smartphones with AMOLED displays have one big problem and that is uneven color temperature aka. yellow tint aka. green tint. I have the same problem with my Galaxy S7 edge. When I open one website with white background I can clearly see that white on the right part of the screen is darker than white on left part of the screen. I replaced 2 screens and every screen have this problem. But I am 100% sure that there are screens which have even color temperature. It sux that you have to be lucky to get S7 edge with good display.
My question is...is there any app (I don't care if it is an app with ROOT need) which can change color temperature only on some parts of the screen? I am sure that this problem could be fixed with an app. I have an app Screen Balance and this app really nicely improve white color on my screen. On my phone white color was at first more yellowish but now it is a lot like it should be because of this app. But main problem still exists - on the right part of the screen white color is more darker.
Thank you guys.
Nobody knows?
There's an app for tweaking colour temperature, and it is without root. But to solve the problem that makes your phone's colour temperature uneven, I'm sorry, I don't know that..
Never heard of anything that does what you require.
....

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