[Q] screen banding? - G2 Q&A, Help & Troubleshooting

I just noticed horizontal screen banding on the top portion of the screen.
best recogniced in stock background pictures.
also, in phone dial screen and music app, settings, there's very noticable banding right under the blue separating line.
anyone else have this problem?

ILLHYHL said:
I just noticed horizontal screen banding on the top portion of the screen.
best recogniced in stock background pictures.
also, in phone dial screen and music app, settings, there's very noticable banding right under the blue separating line.
anyone else have this problem?
Click to expand...
Click to collapse
Yes, I'm having the same issues when I see it on a grey screen. I'm going to end up bringing mine back and try another one. The first one had no banding but it had white lines going through the panel as you were looking at a grey screen. Hopefully I get one that has no issues.

No banding here, post better reproduction steps to get better feedback

What do you mean?
Sent from my LG-D800 using XDA Premium 4 mobile app
---------- Post added at 10:30 AM ---------- Previous post was at 10:13 AM ----------
The way I do it is that I download a light to dark grey picture and look at it in the gallery and make it full screen and I can see a different shade of grey line going across the phone.
Sent from my LG-D800 using XDA Premium 4 mobile app

Also wanted to know if this happens with my issues can it be a software issue to where its not telling the screen the correct color that it should be or is it just a bad panel?
Sent from my LG-D800 using XDA Premium 4 mobile app

I've noticed banding on mine as well using Lagom test screens. Took some pictures with comparisons to other screens.

well, i went back to the store and exchanged my g2 more than 5 times
all had bandings
i'm pretty sure they hate me there now lol
i guess i'll have to learn to live with it
sigh

I'm getting my LG G2 in a few days so it's this issue just how the phones screen is or is it something to return the phone if mine has it too
Sent from my HTC6500LVW using XDA Premium 4 mobile app

i mean, you won't notice any bandings if you don't look really close enough
I have very, very sensitive eyes

Banding? Do you mean the little dots in rolls and columns all over the screen? It it's that then that normal.

I went to the lagom link posted above and saw none of the banding or apparent moire pattern of the screens posted above. However, on a white bacground i notice a very subtle banding of discoloration going across the screen horizontally in portrait orientation. It's subtle and a non-issue to me but I guess this might be what the OP is referring to.

xyltha said:
I went to the lagom link posted above and saw none of the banding or apparent moire pattern of the screens posted above. However, on a white bacground i notice a very subtle banding of discoloration going across the screen horizontally in portrait orientation. It's subtle and a non-issue to me but I guess this might be what the OP is referring to.
Click to expand...
Click to collapse
Just to note, the moire is an effect from the camera not the screen.

Thanks for clearing that up. No pun intended. I went to that link again and tried to notice the banding to no avail.

ILLHYHL said:
also, in phone dial screen
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Click to collapse
Stupid question, but in the dial screen, could you be mistaking it for the drop shadow of the tabbed navigation bar? I know I did at first. There's a strange amount of separation between the tabs' bar and a very thin drop shadow. Pretty strange graphic design if you ask me.

I dont think so. I do know that there is a shadow right under the blue line.
If you look at the screen close up at night, you will notice some bandings. It is too much and sudden colr shift to be a shadow.
Sent from my LG-D801 using xda app-developers app

Related

Pink tint area in the display

I love everything about this phone except...pinky tint at the bottom 1/5 of the screen!
It's especially visible with white background. It seems that the bottom 1/5 part gets very warm when the phone is doing lots of stuff or charging battery and I think that's when the pink tint is really gettung, well pink.
I will probably exchange it once the supply gets better and my local att store gets stocks. Hopefully you guys are not experiencing this.
Sent from my SAMSUNG-SGH-I747 using xda premium
Yunosuke said:
I love everything about this phone except...pinky tint at the bottom 1/5 of the screen!
It's especially visible with white background. It seems that the bottom 1/5 part gets very warm when the phone is doing lots of stuff or charging battery and I think that's when the pink tint is really gettung, well pink.
I will probably exchange it once the supply gets better and my local att store gets stocks. Hopefully you guys are not experiencing this.
Sent from my SAMSUNG-SGH-I747 using xda premium
Click to expand...
Click to collapse
what color did you get?
I have the white and have not noticed this.
Sent from my SAMSUNG-SGH-I747 using XDA
Yunosuke said:
I love everything about this phone except...pinky tint at the bottom 1/5 of the screen!
It's especially visible with white background. It seems that the bottom 1/5 part gets very warm when the phone is doing lots of stuff or charging battery and I think that's when the pink tint is really gettung, well pink.
I will probably exchange it once the supply gets better and my local att store gets stocks. Hopefully you guys are not experiencing this.
Sent from my SAMSUNG-SGH-I747 using xda premium
Click to expand...
Click to collapse
How dark is the tint? Like how noticable is it?
Sent from my SAMSUNG-SGH-I747 using xda premium
werked said:
I have the white and have not noticed this.
Sent from my SAMSUNG-SGH-I747 using XDA
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Click to collapse
Same here.
Sent from my SAMSUNG-SGH-I747 using Tapatalk 2
americasteam said:
Same here.
Sent from my SAMSUNG-SGH-I747 using Tapatalk 2
Click to expand...
Click to collapse
Thanks guys for the reply. I've got blue one. It's barely visible as my friends couldn't see it at all lol. I have really good eyes, or I have to say "trained eyes " that I do graphic arts stuff everyday. Color accuracy is critical for my job.
My S2 had blueish tint but it was uniform color temperature for the entire screen. I'm currently using app called Screen Adjuster to mitigate the issue but it doesn't solve the problem because of the uneven color temperature. I really think that the heat at the bottom part really changed the tint permanently.
I'm happy that you guys don't have such problem!
Yunosuke said:
Thanks guys for the reply. I've got blue one. It's barely visible as my friends couldn't see it at all lol. I have really good eyes, or I have to say "trained eyes " that I do graphic arts stuff everyday. Color accuracy is critical for my job.
My S2 had blueish tint but it was uniform color temperature for the entire screen. I'm currently using app called Screen Adjuster to mitigate the issue but it doesn't solve the problem because of the uneven color temperature. I really think that the heat at the bottom part really changed the tint permanently.
I'm happy that you guys don't have such problem!
Click to expand...
Click to collapse
Have you contacted samsung about it? I am curious on how they would address it.
Sent from my SAMSUNG-SGH-I747 using xda premium
I have some ink blob close to the middle of my screen that's visible at night in a dark room. It's very annoying and definitely swapping it out hopefully next week. I have a blue gs3.
Sent from my SAMSUNG-SGH-I747
uranis said:
I have some ink blob close to the middle of my screen that's visible at night in a dark room. It's very annoying and definitely swapping it out hopefully next week. I have a blue gs3.
Sent from my SAMSUNG-SGH-I747
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Click to collapse
Mine has a couple of those too. From reading the international thread, it seems somewhat normal with amoled. There's a chance you will exchange it and get once that's worse....
Edit: I shouldn't say normal with amoled. My nexus s doesnt really have it. My nexus s is also almost completely black while the galaxy s3 isn't as dark of a black
Sent from my SAMSUNG-SGH-I747 using XDA
uranis said:
I have some ink blob close to the middle of my screen that's visible at night in a dark room. It's very annoying and definitely swapping it out hopefully next week. I have a blue gs3.
Sent from my SAMSUNG-SGH-I747
I must say it'll be really hard to find the AMOLED screen with no ink bolbs unfortunately.. I went through 3 S2 Syrockets and 1 Playstation Vita. All of them have those blobs or lines of ink that you can see in a dark room with black or gray background. It's really prevalent issue. Personally I gave up about the issue as its only visible in some limited conditions. Sorry but if you don't have any other problems then i dont want you to exchange it with even worse unit...
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Click to collapse
I have no tint or anything in that matter, I don't see any blobs like I did on my s2
Sent from my SGH-T999 using Tapatalk 2
cashyftw said:
I have no tint or anything in that matter, I don't see any blobs like I did on my s2
Sent from my SGH-T999 using Tapatalk 2
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Thanks! I'm really hoping that the odds are very rare!
Until my exchanged unit arrives, I'll just enjoy this beautifully built phone!
Oh man I thought samsung noticed this issue with the intl version.. is it possible to use the SG3 without a simcard? I mean can I access the applications / browser using wifi without having a simcard in? I am asking because I ordered one from AT&T and I will unlock it, I don't want to unlock it then send it back if it has issues..
Sher The Love said:
Mine has a couple of those too. From reading the international thread, it seems somewhat normal with amoled. There's a chance you will exchange it and get once that's worse....
Edit: I shouldn't say normal with amoled. My nexus s doesnt really have it. My nexus s is also almost completely black while the galaxy s3 isn't as dark of a black
Sent from my SAMSUNG-SGH-I747 using XDA
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Click to collapse
Yunosuke said:
uranis said:
I have some ink blob close to the middle of my screen that's visible at night in a dark room. It's very annoying and definitely swapping it out hopefully next week. I have a blue gs3.
Sent from my SAMSUNG-SGH-I747
I must say it'll be really hard to find the AMOLED screen with no ink bolbs unfortunately.. I went through 3 S2 Syrockets and 1 Playstation Vita. All of them have those blobs or lines of ink that you can see in a dark room with black or gray background. It's really prevalent issue. Personally I gave up about the issue as its only visible in some limited conditions. Sorry but if you don't have any other problems then i dont want you to exchange it with even worse unit...
Click to expand...
Click to collapse
I never noticed the issue on other amoled devices but you're right it would suck to give it in and get something worse.
Sent from my SAMSUNG-SGH-I747
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Click to collapse
If you want to see if your phone has these blobs, do the following
Go into a pitch black room
Set your phone brightness to auto
Open camera app
Turn off flash
take a picture of pure darkness
View the picture in the gallery, and tap it once open so all the bars and menus go away showing nothing but the image
Inspect the screen up close, you may have to wait 5 minutes for your eyes to adjust
If you don't see those blotches, your eyes suck, didn't let them adjust enough to the dark, or you just wasted your luck on a nice phone rather than a lottery ticket!
PMad said:
If you want to see if your phone has these blobs, do the following
Go into a pitch black room
Set your phone brightness to auto
Open camera app
Turn off flash
take a picture of pure darkness
View the picture in the gallery, and tap it once open so all the bars and menus go away showing nothing but the image
Inspect the screen up close, you may have to wait 5 minutes for your eyes to adjust
If you don't see those blotches, your eyes suck, didn't let them adjust enough to the dark, or you just wasted your luck on a nice phone rather than a lottery ticket!
Click to expand...
Click to collapse
I dont want to see them if I do this my ocd will b In overdrive....
Sent from my SAMSUNG-SGH-I747 using XDA
PMad said:
If you want to see if your phone has these blobs, do the following
Go into a pitch black room
Set your phone brightness to auto
Open camera app
Turn off flash
take a picture of pure darkness
View the picture in the gallery, and tap it once open so all the bars and menus go away showing nothing but the image
Inspect the screen up close, you may have to wait 5 minutes for your eyes to adjust
If you don't see those blotches, your eyes suck, didn't let them adjust enough to the dark, or you just wasted your luck on a nice phone rather than a lottery ticket!
Click to expand...
Click to collapse
How do you know that the blotches you see after this test are not just a camera flaw? Did you send the picture you took on the sg3 to another phone and view it again? If the bloches are there, its a camera flaw. If not, its a screen flaw.
Everysingle amoled screen that I have owned had purple tint. It is more or less common on samoled. Especially noticeable when the brightness turned to low.
Sent from my SAMSUNG-SGH-I727 using Tapatalk 2
NA 521" said:
How do you know that the blotches you see after this test are not just a camera flaw? Did you send the picture you took on the sg3 to another phone and view it again? If the bloches are there, its a camera flaw. If not, its a screen flaw.
Click to expand...
Click to collapse
Because, i used pinch and zoom while the picture was open and pretty much saw nothing happen on the screen. I could tell from some slight changes in some lighter spots, but the blotches did not move. You can do the same.
PMad said:
Because, i used pinch and zoom while the picture was open and pretty much saw nothing happen on the screen. I could tell from some slight changes in some lighter spots, but the blotches did not move. You can do the same.
Click to expand...
Click to collapse
Ah, that will work, too! Thanks!

GT i950x screen issue, please read

Ok I picked up my new galaxy s4 today, I've owned all the galaxy s handsets and been pleased with them.
However I noticed some weird screen issue earlier, basically while scrolling dark greys on blacks smudge/smear purple.
A test for this is in settings, on anything grey if you slowly scroll up and down the grey bits go purple.
Does anyone's else phone suffer from this? I've never noticed this on previous phones, but not sure if my handset is faulty or whether it's just how the galaxy s4s are.
I know it sounds odd but I'd really appreciate if someone could test it for me, go to settings where the background is black and there are greyish bars, scroll up and down slowly and tell me if the grey bits have purple smearing/smudging.
Thanks
edit: I've added a picture and drew some arrows to point out what parts go purple/smudge when I scroll, this is just so you know what to look for. It isn't an image that shows my problem, it simply to point out what parts show the issue when I scroll
Thanks
Please report your HW Rev number at this thread and state if you do have teh smearing issue. You can do that by dialing *#12580*369# on your dialpad.
Yes!!! Happens on mine too!!!
Sent from my GT-I9505 using Tapatalk 2
AMoosa said:
Yes!!! Happens on mine too!!!
Sent from my GT-I9505 using Tapatalk 2
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Click to collapse
Same thing here.
So it's the issue with software right? I hope it's not intentional - given how retarded touchwiz design is, I wouldn't be shocked if it is.
Does it affect it somewhere else? Like videos or something? Or have you tried it in non stock apps? Say download poweramp, put a grey skin and try scrolling?
Thanks a lot for testing it.
Well it must just be the way it is.
I'm certain it didn't do it on the galaxy s3. I wonder if they're using a cheaper screen or something.
I was hoping it might be software related but I watched a youtube video with dark scenes and I could even see the smearing there
The more I think about it the more I'm convinced it's not a software thing, it just doesn't look right, and if you turn the brightness right down it looks even worse. And I mean really bad, honestly try turn the brightness right down and then do it.
I know some people might say "it's not a big deal" as I'm not going to spend all my time scrolling up and down in the settings menu lol, but that's just an easy test to show it. I can see smudging on dark colours in general, I'm really disappointed.
can you make a video?
this is weird
PLUG313 said:
can you make a video?
this is weird
Click to expand...
Click to collapse
I can't unfortunately as I don't have another phone or camera to video it with.
Mine does this too. It's like the ghosting effects you get on cheap televisions with low refresh rates. Hope it's not a faulty screen, I'd imagine the wait for a replacement will be quite lengthy...
jbpf77 said:
Mine does this too. It's like the ghosting effects you get on cheap televisions with low refresh rates. Hope it's not a faulty screen, I'd imagine the wait for a replacement will be quite lengthy...
Click to expand...
Click to collapse
I went to a few stores to test demo units and they all do the same thing.
The s3 doesn't.
I wonder if they're just using a cheaper screen.
It may be the new pixel arrangement in the device. It makes whites look different colours if you look at the phone from an angle.
Sent from my HTC One using xda app-developers app
I too noticed this issue on my new SGS4 today and I´m glad I found a thread with people having the same issue. I also found another thread about the same issue: http://forum.xda-developers.com/showthread.php?t=2253881
I'm gonna guess it's probably due to "adapt display"..try going into display and change to movie mode
Sent from my SPH-L710 using xda premium
squshy 7 said:
I'm gonna guess it's probably due to "adapt display"..try going into display and change to movie mode
Sent from my SPH-L710 using xda premium
Click to expand...
Click to collapse
Tried it, but no matter which mode I choose, it doesn´t change anything about the problem.
Mine does it too. It's most noticeable for me scrolling through contacts, the grey bars with the letters on seem to shrink then grow with purple edges. Very weird!
UPDATE- Seems like it only happens in TouchWiz. I have Rom Toolbox which has grey bars on dark background and it doesn't happen.
Sent from my GT-I9505 using XDA Premium HD app
Static I have no issues with display but scrolling in stock apps I get purple according to direct I scroll byt tge colour stays within its border. Tbh I have no issue with that, kinda seems like a theme lol
Sent from my GT-I9505 using xda app-developers app
Samsung should fix this fast via software update, this is emberassing for a 700$ phone.
so it's for sure software related?
can anyone make a video so I can see what it's like?
I am pretty sure its the software, for the screen works perfectly when watching a vid of sth white moving on a black background. The smearing only occurs inside the os and apps. I can´t upload a vid of it atm, but I will as soon as I can.
Edit: I made a vid of it with my SGS2, the quality aint that good, but you can see the ghosting on the grey setting bars: /watch?v=iNwCuufJuLM&feature=youtu.be
It does not smear in toolbox or video because the background is not absolutely black. I am pretty shure this is an inherent amoled problem. I guess its either no absolute black level like the s3 or smearing on s4.
It seams the pixels on s4 get turned off completely on black areas of the screen and react slowly when turned on again. On s3 the pixels are never completely turned off to probably avoid this artefact. Thats why s3 blackest black is deep gray.
Sent from my GT-I9505 using xda app-developers app
---------- Post added at 01:17 PM ---------- Previous post was at 01:11 PM ----------
Titanium backup does smear... its not the software, unfortunately.
Sent from my GT-I9505 using xda app-developers app
bsch3r said:
It does not smear in toolbox or video because the background is not absolutely black. I am pretty shure this is an inherent amoled problem. I guess its either no absolute black level like the s3 or smearing on s4.
It seams the pixels on s4 get turned off completely on black areas of the screen and react slowly when turned on again. On s3 the pixels are never completely turned off to probably avoid this artefact. Thats why s3 blackest black is deep gray.
Sent from my GT-I9505 using xda app-developers app
---------- Post added at 01:17 PM ---------- Previous post was at 01:11 PM ----------
Titanium backup does smear... its not the software, unfortunately.
Sent from my GT-I9505 using xda app-developers app
Click to expand...
Click to collapse
i agree with you, i've tried scrolling a page with a black background with grey text, same thing happens, its got that purple hazy ghosting issue

Pink gradient on screen

I'm reviewing the Galaxy S4 and have found an issue with my S4 which I'd like to confirm with other owners.
When looking at a completely white screen and especially on lower brightness settings I have a pink gradient at the bottom part of the screen. Here's a picture: http://i.imgur.com/9jhVEnr.jpg
Normally I'd just swap it, but before doing so and knowing how AMOLED screens usually have weird behaviors I'd like to see if anyone is suffering the same issue. I managed to get a screenshot of a YouTube review which seemed to show the same problem: http://i.imgur.com/DhryGwg.png
Anyone else? Is it normal?
Spybreak said:
I'm reviewing the Galaxy S4 and have found an issue with my S4 which I'd like to confirm with other owners.
When looking at a completely white screen and especially on lower brightness settings I have a pink gradient at the bottom part of the screen. Here's a picture: http://i.imgur.com/9jhVEnr.jpg
Normally I'd just swap it, but before doing so and knowing how AMOLED screens usually have weird behaviors I'd like to see if anyone is suffering the same issue. I managed to get a screenshot of a YouTube review which seemed to show the same problem: http://i.imgur.com/DhryGwg.png
Anyone else? Is it normal?
Click to expand...
Click to collapse
no its not normal better to replace the handset
I got my UK vodafone S4 yesterday, and I've noticed the pink tint at the bottom of my screen as well. It's not as noticeable as the OP's, but noticeable none the less.
I let vodafone know this evening, and they'll send me out a replacement when they have stock back in; I'm happy to keep using the handset until then. If you're within your grace period from an upgrade, and have this problem, I recommend letting the provider know about it!
Again man? Same problem with the S3 really tired of samsung Amoleds problems...every single year there is some gradients, black inks and not black blacks...
Just checked and mine doesn't do it, Send it back.
Actually, after looking at it on my laptop it probably is about the same level as Spybreak's (was viewing on my S4 screen originally :laugh.
You can tell it's not a software thing, because if I move the phone with white webpage displayed into horizontal view, the pink tint is at the right side of the browser (bottom of the phone screen).
I finally replaced mine and the new one has no pink tint. So yeah, looks like its just some faulty units
Sent from my M040 using xda premium
That's good to hear, Spybreak! I'm looking forward to getting one with a perfect screen...
I have pink dots in the very bottom
Can I know why is it happening?
Sent from my GT-I9500 using xda premium
---------- Post added at 03:21 AM ---------- Previous post was at 03:16 AM ----------
In some apps...
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---------- Post added at 03:26 AM ---------- Previous post was at 03:21 AM ----------
**** it has pink gradient!
Sent from my GT-I9500 using xda premium
---------- Post added at 03:28 AM ---------- Previous post was at 03:26 AM ----------
Will the phone get replaced? Just bought it yesterday night
Sent from my GT-I9500 using xda premium
Just realised tonight, while using the phone in bed and rebooting, that the screen has the red pixel on blacks problem as well. Bloody hell Samsung...
Replacement handset screen will be thoroughly tested as soon as I get it!
Spybreak said:
I finally replaced mine and the new one has no pink tint. So yeah, looks like its just some faulty units
Sent from my M040 using xda premium
Click to expand...
Click to collapse
On a black and background in a pitch black room on low brightness does the black not have a slight pink tint to it? Mine does not sure if I should replace
Thanks
Sent from my XT890 using xda app-developers app
Avicus said:
Just realised tonight, while using the phone in bed and rebooting, that the screen has the red pixel on blacks problem as well. Bloody hell Samsung...
Replacement handset screen will be thoroughly tested as soon as I get it!
Click to expand...
Click to collapse
Maybe it can be fixed with software update.. it's strange.. and truly annoying
Is there any phones without this issue?
Sent from my XT890 using xda app-developers app
mine has pink across the bottom
Metusion said:
Maybe it can be fixed with software update.. it's strange.. and truly annoying
Click to expand...
Click to collapse
I don't think so because screen is hardware if software problem then whole screen have pink tint
it is a hardware if you having go and replace it:thumbup:
Sent from my GT-I9300 using xda premium
Damn I have the pink tint at the bottom as well.
I bought it new, without a subscription or anything.
I hope the web-shop will replace it, without having to send it for repair. Because I don't want to wait 3 weeks
This issue plagued my S3 experience (multiple replacements with various degrees of pink and purple gradients). Based on this and other complaints I've been following, I think I may pass on this phone and pick up AMOLED once it has been further developed.
I had slight pink issue on SGS3 (screen bottom and random areas upper) but now I have gradient on top of the display and to go down the tint is dissapearing to about 1/3 of the display. But its not only the white colour which is pinkish on the top third also other colours are shifter from upper side to downside - very annoying I can see it all the time especially on low brightness...
edit: just want to upload some of the photos (only resized, untouched)
I dug up an old SIII pic (not very good, but I have better quality shots somewhere...) and it looks a bit similar to the tint issue with the S4. I wonder what causes this during the manufacturing process?
I have pink gradient at the top of my black s4 too...

Does your screen hue change from magenta to green?

I've noticed whenever the keyboard is toggled on or off the greys change their hue.
It's subtle but most noticeable when on low brightness and in a fairly dim room.
I noticed it the most in the Playstore when you click the search bar at the top it brings up a list of resent searches, now hit the back button to make the keyboard disappear and the whole screen changes hue, click search bar again and it changes back when keyboard reappears.
Can someone else please test this?
I'm just trying to work out if my screen is defective or if it is an 'issue' with all S4s.
Thank you
Yeah, mine changes hue a little as well. Strangely I had my screens changed four times but this is the first time I noticed it.
trenzterra said:
Yeah, mine changes hue a little as well. Strangely I had my screens changed four times but this is the first time I noticed it.
Click to expand...
Click to collapse
Thank you for checking. It is actually quite noticeable when you're in a dark room, it's really bugging me!
This is my third handset, the first had a serious pink tint on the bottom of the screen and the second had a light horizontal band across screen when viewing white or grey images.
This one also has 'banding' on light coloured or grey images but not half as bad as my second!
I have the banding issue too! But my problem was mostly dead pixels and stuff. My current set has one tiny spec of dust under the screen but they told me I couldn't change it anymore.
It's a shame that you just can't seem to get a perfect AMOLED screen. There's always something
Sent from my GT-I9305 using XDA Premium HD app
Obagleyfreer said:
It's a shame that you just can't seem to get a perfect AMOLED screen. There's always something
Sent from my GT-I9305 using XDA Premium HD app
Click to expand...
Click to collapse
Indeed. When the rumours came out that the S4 would use IPS LCD I was really hoping it would be true. But it was not to be
Surely some other people are experiencing this?
Sent from my GT-I9305 using XDA Premium HD app
Obagleyfreer said:
I've noticed whenever the keyboard is toggled on or off the greys change their hue.
It's subtle but most noticeable when on low brightness and in a fairly dim room.
I noticed it the most in the Playstore when you click the search bar at the top it brings up a list of resent searches, now hit the back button to make the keyboard disappear and the whole screen changes hue, click search bar again and it changes back when keyboard reappears.
Can someone else please test this?
I'm just trying to work out if my screen is defective or if it is an 'issue' with all S4s.
Thank you
Click to expand...
Click to collapse
Yeah, it's happening with my device. Screen color changes to a bit hue everytime keyboard is minimized and brought back. There is surely some issue. Thank you for bringing this to notice
Thanks

Horizontal white lines

Has anyone noticed faint horizontal white lines running across graphic images? I've noticed this most in widgets or picture thumbnails. Tried to take a screenshot but they don't seem to get captured. Very thin lines - like just a pixel or two in width. Sometimes changing screen and coming back makes them disappear. Often if I move the screen by swiping they disappear (even with a very small movement) but then reappear as soon as I let go. Don't think I've noticed on previous smartphones; wasn't sure if this was a byproduct of the 1080p resolution.
Running stock, unrooted.
MobileNick said:
Has anyone noticed faint horizontal white lines running across graphic images? I've noticed this most in widgets or picture thumbnails. Tried to take a screenshot but they don't seem to get captured. Very thin lines - like just a pixel or two in width. Sometimes changing screen and coming back makes them disappear. Often if I move the screen by swiping they disappear (even with a very small movement) but then reappear as soon as I let go. Don't think I've noticed on previous smartphones; wasn't sure if this was a byproduct of the 1080p resolution.
Running stock, unrooted.
Click to expand...
Click to collapse
In certain lighting, I see what looks like a dot matrix all over the screen, but from what I've heard, that's normal. Not sure what exactly that is though...
I can see it the clearest when the screen is off. I think it is part of the screen tech, not the resolution, but I could be wrong
MobileNick said:
Has anyone noticed faint horizontal white lines running across graphic images? I've noticed this most in widgets or picture thumbnails. Tried to take a screenshot but they don't seem to get captured. Very thin lines - like just a pixel or two in width. Sometimes changing screen and coming back makes them disappear. Often if I move the screen by swiping they disappear (even with a very small movement) but then reappear as soon as I let go. Don't think I've noticed on previous smartphones; wasn't sure if this was a byproduct of the 1080p resolution.
Running stock, unrooted.
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I cant replicate your problem, sounds like you my friend may have bad screen. I would request a replacement at your closest vendor.
And the dot matrix on the screen is part of the screen, essentially it is part of the touch system that you love and cherish!
Rezidude said:
And the dot matrix on the screen is part of the screen, essentially it is part of the touch system that you love and cherish!
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Unfortunately this "dot matrix" looks hideous and I've never seen it on any phone that I have on that I owned several flagship phones.
Sent from my LG-D801 using Tapatalk 4
shook187 said:
Unfortunately this "dot matrix" looks hideous and I've never seen it on any phone that I have on that I owned several flagship phones.
Sent from my LG-D801 using Tapatalk 4
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I'm sure you can if you hold them a certain way in the light, you will notice it. I know on my Bionic it is visible but can only be seen if held the right way in the light with the screen off.
htc incredible was a flagship phone and had it.
Sent from my VS980 4G using Tapatalk 4
Rezidude said:
I cant replicate your problem, sounds like you my friend may have bad screen. I would request a replacement at your closest vendor.
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Hmm... might check on that. Got the phone at Best Buy - not sure how good they are about replacements. Problem is, the issue is kind of fleeting. What I mean is these lines are not static. Even when I see them it looks like there is a touch of flashing going on, and the slightest screen swipe makes them go away. Sometimes they stay gone and sometimes they come right back. I wish I could do a screen capture - maybe I will have to just photo edit some lines to illustrate what I see
jayochs said:
htc incredible was a flagship phone and had it.
Sent from my VS980 4G using Tapatalk 4
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I'm sure you're being sarcastic, I'm talking about current flagships
Sent from my LG-D801 using xda app-developers app
shook187 said:
I'm sure you're being sarcastic, I'm talking about current flagships
Sent from my LG-D801 using xda app-developers app
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no but really, the inc was an awesome flagship ;D
and at the time i think HTC was one of the few phones that did the dots still..i remember the moto x didn't have them. i don't even know what the point of them is
I can see them on mine, but only in certain light and at certain angles and when off. I never see them when using it.
Finally got around to taking a picture of this with a separate camera. This is the weirdest issue! I can't capture it with a screenshot. It only happens on some images, and even those sometimes the lines disappear if I rotate the display. I tried doing a factory reset but that didn't help. Doesn't seem to be a hardware issue because I don't see it anywhere else except certain images (probably like 5 - 10% of them). Not app related - I've seen this happen in many apps that have images. This attachment was done in the Play Store app, on an app preview. Also seen it on Feedly, Android Central, Gallery, etc. Can't figure out what is going on!
romeyjdogg said:
In certain lighting, I see what looks like a dot matrix all over the screen, but from what I've heard, that's normal. Not sure what exactly that is though...
I can see it the clearest when the screen is off. I think it is part of the screen tech, not the resolution, but I could be wrong
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I saw these for the first time today with the screen off in a certain light. They are vertical lines/dots though.
Sent from my LG-LS980 using Tapatalk
romeyjdogg said:
In certain lighting, I see what looks like a dot matrix all over the screen, but from what I've heard, that's normal. Not sure what exactly that is though...
I can see it the clearest when the screen is off. I think it is part of the screen tech, not the resolution, but I could be wrong
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It is the digitizer. It is what registers your touch
coogrrr94 said:
I saw these for the first time today with the screen off in a certain light. They are vertical lines/dots though.
Sent from my LG-LS980 using Tapatalk
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Sent from my LG-D801 using xda app-developers app
Did you ever find a solution to this?
I'm seeing the exact same lines after having a broken screen replaced.
me too, on my recently bought ebay G2 (VS980) - i think screen and digitizer are fine. i think it has something to do with the graphic card or rastering memory as it only happens when there is a high computational demand on display apparently? happened with two separate firmwares - one stock and one non-stock - so clearly it is not a software issue (i guess)
I'm pretty sure it's the screen. I had my screen replaced again and the issue is completely solved.

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