[Q] black/grey bands/lines on screen - Galaxy S III Q&A, Help & Troubleshooting

not sure if this is discussed elsewhere or is the same thing as the black crush issue ....this is a bit different ....i see lines where the screen background gradiants from black to grey, some apps are worse than others.
it does not show with solid colors, only with gradiants like on ICS style menus.
had to take a picture because it doesn't show on a screenshot, this is one of the worst, the others are not as bad with only a few lines
anyone know what this is?
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Exactly the same here. I don't know if go and take a new one, because I'm tired of these AMOLED Screens. On my SGS2 had the same problem, the ugly gradients, some green/yellow tint, and ink marks with not true deep blacks. And now, with PenTile.
Put this image on your S3, It's a screenshot of MegaJump. On my PC it looks well but on the phone... ahh.
https://dl.dropbox.com/u/64034249/Screenshot_2012-07-05-21-34-12.png
Sorry friend, it's just Samsung. That's what we get from a "premium" phone.
(I'm spanish, sorry if there are some grammatical errors)

yes, i can see all the gradiants quite visibly on the S3, it is much better on my S1, my S1 also doesn't have those grey banding lines which are worse than the halo effect ....i hope the lines are just software or background issue
i still prefer amoled to LCD though, just those banding lines suck

Hi, ho have the same problem on my sgs2. It's not a screen problem, but a 16bit rendering. This rendering mode improves 3D graphics performances, but reduces display quality introducing: banding, dithering, color missmatch.

aha!
it seems that is the answer ....so how do we enable 24 bit rendering?
can't find any info on it ...or is it something that should not be changed?
i presume there would have been an option on the phone if it was ok to do without too much performance degradation

Related

Ripple Lockscreen side effect? fixable?

Is it simply a side effect of the Ripple animation on the lock screen that causes it to appear washed out, with "blotches on the right side of the screen? Disabling the ripple effect causes wallpapers to be displayed with the proper contrast ratio, with no light colored blotches...but the "normal" lock screen sucks...
has anyone dug into the lock screen to see what it is that may or may not be causing this?
for example...you can even see it in screen shots...
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That is really odd. Mine keeps the same aspect ratio. I loaded up a few backgrounds. The only thing it does on mine is gives it a more washed out look, but no weird blotches like yours. And in your screenshots, it fits the entire image in your lockscreen, but clearly the image cuts off on your launcher. Then again I am using the stock launcher as well. Both images are the same size.
Odd find indeed though. You should maybe try stock launcher and see if you get the same result for testing reasons.
Mercuie said:
That is really odd. Mine keeps the same aspect ratio. I loaded up a few backgrounds. The only thing it does on mine is gives it a more washed out look, but no weird blotches like yours. And in your screenshots, it fits the entire image in your lockscreen, but clearly the image cuts off on your launcher. Then again I am using the stock launcher as well. Both images are the same size.
Odd find indeed though. You should maybe try stock launcher and see if you get the same result for testing reasons.
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I get "stain/smudges" on the screen too on a dark background with high brightness I tested on demo models to same.
If ripple effect is removed the no issue

Yellow tint...is this normal?

I have a TF201 and it has a warmer yellow tone to it.
Watching Simpsons on it looks great but other than that, watching regular stuff the skin tones are overly yellowing.
Here's a picture of what I mean:
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The paper is supposed to be white...the lack of lighting in the room makes it look bluish...but you can compare the difference.
Thoughts?
Am I being overly picky here?
Others have reported a yellow tint.
My screen also is too yellow, but I didn't want to return my Prime because of the chance of getting one that was defective in a more serious way! There is a relatively simple solution if the yellow tone is bothering you -- use an app like Screen Adjuster than can change the tint of the display. There are plenty of other apps that may be better, but I haven't tried them.
Note that Screen Adjuster does not have a "decrease yellow" option -- using colour theory, I instead added blue.
Also, if you want something to show up as white in photos, learn to use your camera's White Balance feature!
Do you have it in power saving mode?
Sent from my SCH-I535 using xda premium
mosfet356 said:
Do you have it in power saving mode?
Sent from my SCH-I535 using xda premium
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Power saving mode supposedly just reduces contrast, it isn't supposed to alter colour balance. I find I have the yellow tint regardless of which mode I choose.

slightly Yellowish white

This is something I didnt expect or not sure if only my set is affected , can pplout there compare their Z2 with the stores / Demo sets or other to see if the whites are slight yellowish ( I know you can cure it with little tweaks ) but without any tweaks anyone ?
Here is a sample pic I took with my ultra of the demo and my set
edit : I have checked the other color reproduction and they are absolutely fine no problems its only the whites..
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anirudhks said:
This is something I didnt expect or not sure if only my set is affected , can pplout there compare their Z2 with the stores / Demo sets or other to see if the whites are slight yellowish ( I know you can cure it with little tweaks ) but without any tweaks anyone ?
Here is a sample pic I took with my ultra of the demo and my set
edit : I have checked the other color reproduction and they are absolutely fine no problems its only the whites..
View attachment 2713157
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Holy **** i thought your white Z2 is staining based on the title
I think I might have a similar issue, my whites don't look as good as they do on my Z1 I think it might be the screen protector I've put on so I've ordered different ones to make sure its not the protectors.
I have this too.
I think it's normal. Screen tech and calibrations are different - so tweak the white balance settings to your taste. You can also check my second post at this thread
http://forum.xda-developers.com/showthread.php?t=2734942
I've taken some photo's you notice the difference more when you're on the settings menu.
https://www.dropbox.com/sc/7vcyv9dbcrwo85o/JrlVCKrQiY
What do you think ?

bezel outline

is there any method of reducing or hiding the black outlining near the bezel on the g2.is it present in all the roms?
lol, that is a hardware not a software issue
60nine said:
lol, that is a hardware not a software issue
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i know the question is kinda noobish but what i mean is that the outlining thickness increses when the phone is running as compared to when phone screen is off or the phone is booting.i mean out of total outlining thickness 70% is hardware related and 30% is software related
can you post some pictures of what you're talking about?
60nine said:
can you post some pictures of what you're talking about?
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i dont have other camera to take picture of phone.if u see your phone when its screen is off the thickness of black outlining around the screen is less.when you turn on the screen then more thickness is added by the rom to the outlining.see it
sorry, don't know what you're talking about... for me the bezel is always the same, screen off or screen on (stock rooted v20f d802)
It's practically bezel-free as it is, certainly the smallest bezel of any device in its class.
What do you expect?
Sent from my HTC6525LVW using Tapatalk
You mean like this?:
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When your screen is off, you see the bezel very thin, but when you turn on the screen, the surrounding area of the screen have black line that add more "bezel"?
If yes, then it's hardware related and you can't fix that
That's why I choose the black color, so I can't see the "bezel" difference between off and on screen.
I think most of white or non black color phone should have same problem, but on G2, is more thick.
And I think that's why LG G3 use all black color surrounding the screen on any phone color.

Camera image problem

Hey, I've been getting this problem for a while now.
Decided it was time to do something about it. In advance: sorry about the legs.
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Notice the very obvious weird rainbow lines.
Pretty sure it only happens in my room. It may be my fluorescent lightning.. It may be a lot of things.
I just want to know if anyone else has experienced this ever.
stevles said:
Hey, I've been getting this problem for a while now.
Decided it was time to do something about it. In advance: sorry about the legs.
Notice the very obvious weird rainbow lines.
Pretty sure it only happens in my room. It may be my fluorescent lightning.. It may be a lot of things.
I just want to know if anyone else has experienced this ever.
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ive xperianced around fluorecent lighting and high temp during/after 4k recording
i think most cameras have the fluorecent lighting thing, its evident when you point toward old lamp tvs with cameras
Envious_Data said:
ive xperianced around fluorecent lighting and high temp during/after 4k recording
i think most cameras have the fluorecent lighting thing, its evident when you point toward old lamp tvs with cameras
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Ah ok then, fair enough.
Had a feeling it was something like that, from memory Fluorescent lighting strobes or flickers at a very low speed compared to regular light bulbs. While great for saving power (they run 16 hours a day) it clearly sucks heavily for cameras.
Anyway, thanks for confirming that for me.

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