Top half of screen is dark - Galaxy S 4 Q&A, Help & Troubleshooting

Hi all
I just bought a S4, and I noticed I had the purple smearing issue. I have now updated to the latest BMF8 rom which really solved the problem. But now I notice one issue, when I display a pure white background or a Grey background, I notice the top half of the screen is darker (pink tint) than the lower part which id yellowish...
it is the same no matter what screen brightness I set.. the top half is darker than the bottom... is anyone having this issue? my S3 does not have this problem...
http://www.flickr.com/photos/strobemonkey/9157440862/sizes/l/in/photostream/
http://www.flickr.com/photos/strobemonkey/9157439522/sizes/l/in/photostream/
edit:
looking at my screen shots, they dont show when viewing on a monitor, so it is the LCD screen of the phone which is faulty...

nm8 said:
Hi all
I just bought a S4, and I noticed I had the purple smearing issue. I have now updated to the latest BMF8 rom which really solved the problem. But now I notice one issue, when I display a pure white background or a Grey background, I notice the top half of the screen is darker than the lower part...
it is the same no matter what screen brightness I set.. the top half is darker than the bottom... is anyone having this issue? my S3 foes not have this problem...
Click to expand...
Click to collapse
Semi transparent status bar i guess
Sent from my GT-I9500 using Tapatalk 4 Beta

nm8 said:
Hi all
I just bought a S4, and I noticed I had the purple smearing issue. I have now updated to the latest BMF8 rom which really solved the problem. But now I notice one issue, when I display a pure white background or a Grey background, I notice the top half of the screen is darker than the lower part...
it is the same no matter what screen brightness I set.. the top half is darker than the bottom... is anyone having this issue? my S3 foes not have this problem...
Click to expand...
Click to collapse
Are you talking about a slight whitish tone on the top diaognal half of your screen and the lower half has this pinkish or purplelish tone on white or bage bg? Try taking a picture maybe?
Sent from my GT-I9500 using xda premium

I have updated the first post with screen shots. I dont know if you can see it but as I said, the whole top half is darker thsn the lower half.

I have just been to the Samsung kiosk in my home town... showed the phone to one of the reps and he confirmed the screen was darker on the top half... hopefully this gets changed tomorrow when I go to the phone shop...

nm8 said:
Hi all
I just bought a S4, and I noticed I had the purple smearing issue. I have now updated to the latest BMF8 rom which really solved the problem. But now I notice one issue, when I display a pure white background or a Grey background, I notice the top half of the screen is darker than the lower part...
it is the same no matter what screen brightness I set.. the top half is darker than the bottom... is anyone having this issue? my S3 does not have this problem...
yess...i had it too..i think it's just software problems n will be fixed soon with software updates...my s4 is international version i9500 N XUBMEA baseband
Click to expand...
Click to collapse

To me it looks like a hardware issue because when I make a screen grab and view the image on my S3 and computer, the captured images look ok ..
Im waiting for a replacement phone anyway.

nm8 said:
To me it looks like a hardware issue because when I make a screen grab and view the image on my S3 and computer, the captured images look ok ..
Im waiting for a replacement phone anyway.
Click to expand...
Click to collapse
so..have you got the replacement n how is it?

crazy_777 said:
so..have you got the replacement n how is it?
Click to expand...
Click to collapse
yes it was replaced and the new one has an even tone... so Im happy now...

nm8 said:
yes it was replaced and the new one has an even tone... so Im happy now...
Click to expand...
Click to collapse
New one also have tint?
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Mandeep148 said:
New one also have tint?
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Click to expand...
Click to collapse
No i meant top and bottom are the same... no tint

I think all GS4 phones have a slight purple tint issue, it's just the way the display is built.

Shebee said:
I think all GS4 phones have a slight purple tint issue, it's just the way the display is built.
Click to expand...
Click to collapse
Yes exactly
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All Galaxy S4 have one part of the screen with pink tint?
I'm having the opposite problem, I've got weird green tint in blacks!

Obagleyfreer said:
All Galaxy S4 have one part of the screen with pink tint?
I'm having the opposite problem, I've got weird green tint in blacks!
Click to expand...
Click to collapse
If its in black also then its not gonna be good.. u should give to service for change ur device or c
Change the screen..
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Mandeep148 said:
If its in black also then its not gonna be good.. u should give to service for change ur device or c
Change the screen..
Sent from my GT-I9500 using xda app-developers app
Click to expand...
Click to collapse
Here's my thread for an example of my screen issue
http://forum.xda-developers.com/showthread.php?t=2357828

I'm hoping Samsung comes out with a fix for the pink tint.
I seem to recall that the s2 had issues with yellow tint on the left side and Samsung came out with a kernel update that fixed it.

Obagleyfreer said:
Here's my thread for an example of my screen issue
http://forum.xda-developers.com/showthread.php?t=2357828
Click to expand...
Click to collapse
See the quote in forum which u gave me the link...
Sent from my GT-I9500 using xda app-developers app

I had same problem what @nm8 had. I sent my phone to warranty but only thing they did was a software update (what I did three times before sending it to there). Of course that didn't help, after I got my phone back it was even worse. I wrote petition to the shop from where I bought phone. Yesterday they announced to me that Samsung after-sales service will buy my phone back.
Right now I don't know that is this phone worth of buying again (would buy 32 GB version now). It's one of the most expensive phones in the market so I would like to get nearly perfect screen...

Vahur_v said:
I had same problem what @nm8 had. I sent my phone to warranty but only thing they did was a software update (what I did three times before sending it to there). Of course that didn't help, after I got my phone back it was even worse. I wrote petition to the shop from where I bought phone. Yesterday they announced to me that Samsung after-sales service will buy my phone back.
Right now I don't know that is this phone worth of buying again (would buy 32 GB version now). It's one of the most expensive phones in the market so I would like to get nearly perfect screen...
Click to expand...
Click to collapse
There is no perfect screen.. better to stop trying to get unless u loss ur hope and waiste ur timer..
Here is that thread which issue u talking about screen issue, if yea then see here is answer for it..
http://forum.xda-developers.com/showthread.php?t=2357828
Sent from my GT-I9500 using xda app-developers app

Related

Display has a pink tint!!

Please help! I just bought the Bell galaxy s 2 today and realised that in low brightness settings screen has a pink tint.
Does anyone have this issue? Its more visible in grey colors. When i compare with my galaxy s, galaxy s' whites are true white and galaxy s 2's white are pinkish tint on it. When the brihhtness is at %100 its not that visible but once u set it %0 it becomes pinkish.
Is it what it suppose to be or its defective?
Note: yes i played with background effect but it didnt help. I am running KG2.
Edit: I compared with galaxy s again and if I make the brightness %100 on galaxy s 2 both screens almost identical (although SGS2 still has little warm whites) but at %0 brightness when I pull down the notification screen sgs2 has literally pink hue
Why not anyone comment on this? 100 something views and no comments?
U guys all have sgs2. pls at least share your phone's display colors so I can know if something is wrong with mine.
Yep got it to and also pink on camera also mine going back to Amazon tomorrow had two in a week with same problem Ive got one ordered from another retailer ... but I think its a inherent fault
Sent from my GT-I9100 using XDA Premium App
Yup..got it too..in Indian sgs2..got screen replaced bt no difference..for me most visible when browsing xda app for long..also pink in camera..tried everythng bt can't get rid of it..its company fault..
Sent from my MIUI Galaxy S2 using XDA Premium App
Are you saying your whole screen looks rather pinkish ? I've seen couple of devices that were pretty much reddish when showing white, but i think that's not normal. You should replace it.
Sp1tfire said:
Are you saying your whole screen looks rather pinkish ? I've seen couple of devices that were pretty much reddish when showing white, but i think that's not normal. You should replace it.
Click to expand...
Click to collapse
Yes whole screen has a reddish tint. Especially grey colors. Instead of grey it displays reddish. If i compare Gmail app with Sgs side by side, my screen has ridiculously pink color.
I wonder if its a software issue or hardware? Cuz I remember in sgs hardcore's kernel he made an.option to change the colors.
This is my second sgs2. First one had a dead pixel. So I didnt wanna go right away and change it. I wanted to ask yours.
More input will appreciated.
I uploaded a pic SGS and SGS2 side by side displaying Grey Graident Colors. what do you think?
If your phone looks like the one on the right, get it replaced. No rom/firmware will make it look good.
Sp1tfire said:
If your phone looks like the one on the right, get it replaced. No rom/firmware will make it look good.
Click to expand...
Click to collapse
Yes mine exactly looks the same as the one on right. Are they at the same brightness settings? I am going to change it today than. Thank you
warfanax said:
Yes mine exactly looks the same as the one on right. Are they at the same brightness settings? I am going to change it today than. Thank you
Click to expand...
Click to collapse
Yup, they were set at the same brightness.
warfanax said:
Why not anyone comment on this? 100 something views and no comments?
U guys all have sgs2. pls at least share your phone's display colors so I can know if something is wrong with mine.
Click to expand...
Click to collapse
I'd take the lack or response to mean that it's not a problem experienced by many people. If your read the threads talking about the display, you'll see there's wide variations in color temperature. Cool/blue seems to be normal while there are reports of phones leaning toward warm/yellow. Pink hasn't been reported a lot so I'd exchange the phone.
sumeshd said:
Yup..got it too..in Indian sgs2..got screen replaced bt no difference..for me most visible when browsing xda app for long..also pink in camera..tried everythng bt can't get rid of it..its company fault..
Sent from my MIUI Galaxy S2 using XDA Premium App
Click to expand...
Click to collapse
I am also from India and I dont have any such problem with my sgs2...
My girlfriend and I have the same german sgs2 (dbt) and mine has a bit of a greenish tint whereas hers had a but if a reddish tint. You can't notice it when using the phones alone but when you put them side by side you can notice it a little bit, but really not that much. Seems to be an AMOLED thing. Maybe I'll manage to take a photo for you.
Sent from my GT-I9100
Sp1tfire said:
If your phone looks like the one on the right, get it replaced. No rom/firmware will make it look good.
Click to expand...
Click to collapse
Thanks a lot for that image. I have been wondering what people were talking about when they mentioned pinkish screen...
Luckily I don't seem to have that problem. It seems like there are a few defective screens out there.
perhaps supercurio will have a voodoo colour fix with the sgs2 whenever he releases it. It fixed the tinge on the original sgs. Look it up if u are unfamiliar with it
I changed the phone today and got a new one. Its better now and significany less pink color.
Also I discovered something that the pink tint is only visible when u look at the screen 90 degrees. If u tilt the phone a little (5-10 degrees) to left-right or up-down and view like that the color turns normal (like my year old sgs).
It made me realise that this is a screen coating issue (maybe coating causes polarisation). So do u think this will go away with the time of use?
When I turn off the screen and check it under light by tilting I can see a little purple glare.
What do u think?

anyone NOT have red tinted blacks or smearing?

This is being discussed extensively in the international version forum. Those without red tinted blacks have smearing with grey on black colors, like in the menu screen. Those with red tinted blacks have little to no smearing. My device and a few other ATT S4 owners have confirmed that they have a red tint to mostly black screens in very low light. My question is, those of you with pitch black screens (even in a dark room), are you seeing any smearing or ghosting when scrolling in the menu screen? I want to see if the US variants actually have screens that don't have either issue.
Absolutely. I have the black crush pretty bad on mine. I went into AT&T today and checked the display models and both of them did it also. I made a video of it for those who don't know what we are talking about. https://www.youtube.com/watch?v=yL5TV8kuxac&feature=youtube_gdata_player
Sent from my SAMSUNG-SGH-I337 using xda premium
Big-A-Rob said:
Absolutely. I have the black crush pretty bad on mine. I went into AT&T today and checked the display models and both of them did it also. I made a video of it for those who don't know what we are talking about. https://www.youtube.com/watch?v=yL5TV8kuxac&feature=youtube_gdata_player
Sent from my SAMSUNG-SGH-I337 using xda premium
Click to expand...
Click to collapse
I take it you don't have red tinted blacks in very low ambient light?
No. Blacks look pretty black in a dark room.
Sent from my SAMSUNG-SGH-I337 using xda premium
I have a brand new S4 from Bell Mobility Canada. The smearing/clipping as well.
Any confirmed setting/etc that can be changed?
I first noticed it scrolling the settings menu....I remember seeing the S4 video clips where that same menu used to be white....
i got it too.
I have the smearing but it turns out that it's not as bad as I thought it'd be. I'll have to watch some videos when I get home but for now I think I'm okay with it.
If you have smearing, download Screen Adjuster and change the red blue and green to +5 or higher. Its been reported to fix the smearing and keep blacks black. For the red tint black, nothing you can do atm.
have the same problem on the phone with fido
There should be a software update for this
My at&t model doesn't have any of these issues
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colts187 said:
My at&t model doesn't have any of these issues
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Click to expand...
Click to collapse
Mine doesn't either
I have a Tmobile one and this is happening, mine is way worse ... i mean its just bad.
colts187 said:
My at&t model doesn't have any of these issues
Sent from my SAMSUNG-SGH-I337 using xda app-developers app
Click to expand...
Click to collapse
xxjrsmith3xx said:
I have a Tmobile one and this is happening, mine is way worse ... i mean its just bad.
Click to expand...
Click to collapse
Id exchange it then
sam2c said:
If you have smearing, download Screen Adjuster and change the red blue and green to +5 or higher. Its been reported to fix the smearing and keep blacks black. For the red tint black, nothing you can do atm.
Click to expand...
Click to collapse
Wow, that really helped a lot! If it's that simple to fix Samsung really needs to fix this with a software patch.
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Big-A-Rob said:
Wow, that really helped a lot! If it's that simple to fix Samsung really needs to fix this with a software patch.
Sent from my SAMSUNG-SGH-I337 using Tapatalk 2
Click to expand...
Click to collapse
"bala_gamer" came up with this fix. Props to him. I agree, Samsung should have fixed this already. The "smearing" thread in the international S4 forum is getting a little out of control and Samsung just keeps dicking around, turning the red pixels on and off in each firmware iteration lol
I have an AT&T S4 and my black are 100% black. If I load a black image in the dark it looks as if the screen is off. How it should be
sam2c said:
If you have smearing, download Screen Adjuster and change the red blue and green to +5 or higher. Its been reported to fix the smearing and keep blacks black. For the red tint black, nothing you can do atm.
Click to expand...
Click to collapse
This actually helped to fix it, the issue was happening before and after the OTA, so it looks like the OTA didn't include anything to help that.
I had to set it higher though, is this hardware issue though?
I saw some ppl saying they didnt had the problem.
Joulez said:
This actually helped to fix it, the issue was happening before and after the OTA, so it looks like the OTA didn't include anything to help that.
I had to set it higher though, is this hardware issue though?
I saw some ppl saying they didnt had the problem.
Click to expand...
Click to collapse
Everything ive read in the international S4 forum, except those very few who claim otherwise, suggest that either you have red tinted blacks OR you get smearing but have pure blacks...its one or the other. If someone really doesnt have either, i'd be surprised at this point. I thought maybe the US version was fixed, but no.
Its a hardware issue that seems to be addressable by software fixes, but if Samsung neglects it....well...thats a different story. Having to run Screen Adjustor and pushing the colors up is not without consequences. For one, i think its going to affect battery life. Someone reported that this fix made the slight pinkish tint on his screem even worse, so its not a perfect fix.
Per OP....I DO NOT have red tinted black. Phone is CRYSTAL clear and crisp.
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When I open a black background it's not so clear!

Hello guys ive a problem with my s4, i9500, basically when i open an app with a dark screen in the background " black " I see a lot of white color thing on it ! " when i browse the mobile with the light of my room is off.. but when the light is turned on i dont see those things anymore! " it's really strange .. ! Btw i bought my mob without warranty.. can anyone help me
Sent from my GT-I9500 using Tapatalk 4 Beta
LegendJo said:
Hello guys ive a problem with my s4, i9500, basically when i open an app with a dark screen in the background " black " I see a lot of white color thing on it ! " when i browse the mobile with the light of my room is off.. but when the light is turned on i dont see those things anymore! " it's really strange .. ! Btw i bought my mob without warranty.. can anyone help me
Sent from my GT-I9500 using Tapatalk 4 Beta
Click to expand...
Click to collapse
It only shows in stock apps with black background because it was designed that way. But if you open a pure black image you won't see these textures.
mcreokhan said:
It only shows in stock apps with black background because it was designed that way. But if you open a pure black image you won't see these textures.
Click to expand...
Click to collapse
If i took a screenshot and zoomed on a totally black area i can see it all around the screen :S
Sent from my GT-I9500 using Tapatalk 4 Beta
Hey, I don't mean it's lighting white, It's like I see white cracks when the screen is totally black " only in dark though. "
LegendJo said:
Hey, I don't mean it's lighting white, It's like I see white cracks when the screen is totally black " only in dark though. "
Click to expand...
Click to collapse
Hi, this is called screen blotching and is common on AMOLED screens. It can be seen here
http://img813.imageshack.us/img813/8917/image2l.jpg
Read here: http://www.droidforums.net/forum/ra...pport/237016-amoled-has-black-spots-dark.html
So I shouldn't be worried? It won't affect the screen?
LegendJo said:
So I shouldn't be worried? It won't affect the screen?
Click to expand...
Click to collapse
Nope I had the same thing on my Droid Razr Maxx. Just something we have to live with having this screen type.
Sydman said:
Nope I had the same thing on my Droid Razr Maxx. Just something we have to live with having this screen type.
Click to expand...
Click to collapse
****, It;s really annoying me! I'll contact the place where I bought the money to see if I can get a replacement. " Even without Warranty I've 14 days to replace it if had any Manufacturing Defect " .. :/ My mobile status is Custom but it worth a try anyway.
No, S4 is different. On latest firmware, It will turn off pixels completely on truely black color.
So that blotch will never be seen even if it is actually there. The amoled before S4 does not turn off pixels on truely black color, that's why only S4 has smearing problem.
Sent from my GT-I9500
LegendJo said:
****, It;s really annoying me! I'll contact the place where I bought the money to see if I can get a replacement. " Even without Warranty I've 14 days to replace it if had any Manufacturing Defect " .. :/ My mobile status is Custom but it worth a try anyway.
Click to expand...
Click to collapse
Well even if you get a replacement it will do the same thing. Not a defect, just a downside to the super amoled screen.
dragon135 said:
No, S4 is different. On latest firmware, It will turn off pixels completely on truely black color.
So that blotch will never be seen even if it is actually there. The amoled before S4 does not turn off pixels on truely black color, that's why only S4 has smearing problem.
Sent from my GT-I9500
Click to expand...
Click to collapse
.-. I'm on the latest firmware, ._. but do your words mean my device is defective? :C I don't know a lot about screens
Sydman said:
Well even if you get a replacement it will do the same thing. Not a defect, just a downside to the super amoled screen.
Click to expand...
Click to collapse
I hope someone can try this and open a black screen in a dark room and check! And also I tried it on S III.. and it's just normal not blotching
Hey! I contacted the store I bought it from, They told me I have to go to customer service and they'll check the phone,if it's software they'll solve it. if it's manufacturing defect they'll replace it for me.. the problem is my phone status is custom. " installed stock rom UBUBMF3 and rooted it. " I'm I9500 and Triangle Away doesn't work.
LegendJo said:
Hey! I contacted the store I bought it from, They told me I have to go to customer service and they'll check the phone,if it's software they'll solve it. if it's manufacturing defect they'll replace it for me.. the problem is my phone status is custom. " installed stock rom UBUBMF3 and rooted it. " I'm I9500 and Triangle Away doesn't work.
Click to expand...
Click to collapse
Just relax. Your hardware is not defected. Just do on thing. Google jet black wallpaper. Download it and save in gallery. Open it in full screen in complete darkness. Your screen should look totally black like it's turned off.
Sent from my GT-I9500 using xda premium
plasmastate said:
Just relax. Your hardware is not defected. Just do on thing. Google jet black wallpaper. Download it and save in gallery. Open it in full screen in complete darkness. Your screen should look totally black like it's turned off.
Sent from my GT-I9500 using xda premium
Click to expand...
Click to collapse
O.O YEAH It was just black! But the screenshots from the apps / movies show the blotching thing! is it in all S4 or just my bad luck
LegendJo said:
O.O YEAH It was just black! But the screenshots from the apps / movies show the blotching thing! is it in all S4 or just my bad luck
Click to expand...
Click to collapse
grrrr.... are you expecting the screenshot from the MOVIE, or app with shaded background to be completely, uniformly, BLACK??
I have bad news for you... all your equipment: TV, photo camera, laptop/PC, and whatever else with the screen have same fault: will not produce 100% black picture from non-100% black origin.
-.- the same photo I open on galaxy S III doesn't have the blotching on it!

Screen issue or is it just like this?

My Galaxy S4 screen is strange. The top of the phone seems to be lighter than the bottom. As in when im texting the and I turn the phone sideways the blue bar that is there is a lighter blue on the left than it is on the right. This annoys me to no end and I want to know if this is normal or not. I also notice this in a ton of other apps when in landscape and it has a bar. Like Youtube.
Easton999GS said:
My Galaxy S4 screen is strange. The top of the phone seems to be lighter than the bottom. As in when im texting the and I turn the phone sideways the blue bar that is there is a lighter blue on the left than it is on the right. This annoys me to no end and I want to know if this is normal or not. I also notice this in a ton of other apps when in landscape and it has a bar. Like Youtube.
Click to expand...
Click to collapse
Hmm just checked for myself and don't notice it. Can u screenshot or perhaps snap a photo with a camera if ss doesn't reveal?
Take a screen ahot and flip the image chrck if it still look the same to you... if not then you have a hardware problem
Sent from my GT-I9505 using xda premium
niceppl said:
Take a screen ahot and flip the image chrck if it still look the same to you... if not then you have a hardware problem
Sent from my GT-I9505 using xda premium
Click to expand...
Click to collapse
it doenst look the same to me. This is my 3rd S4 already, The first one the charging port went, then the second had a dead pixel. Now this...
im terrified to send it back because they will send me an updated bootloader version back.... its not a bad issue the screen still works. its just really annoying. Custom roms and Kernels i will take over anything.
Easton999GS said:
im terrified to send it back because they will send me an updated bootloader version back.... its not a bad issue the screen still works. its just really annoying. Custom roms and Kernels i will take over anything.
Click to expand...
Click to collapse
If I were you, I will go and get it exchanged even if it get you one with the new firmware. Rooting is less important than quality of the phone to me.
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sharpehenry said:
If I were you, I will go and get it exchanged even if it get you one with the new firmware. Rooting is less important than quality of the phone to me.
Sent from my SAMSUNG-SGH-I337 using xda app-developers app
Click to expand...
Click to collapse
Plus in time (not guaranteed) Usually there will be an exploit hack to get root. I'm sure someones working on something. Especially since some were able to keep root after updating
I can replicate the issue you are talking about in the messaging app. About an inch of the screen at the top is slightly darker. But only noticeable on certain colors. I tried all sorts of pictures and other things, I can only see it in the messaging all. The issue is there with all screen modes.
The S II had a very similar issue. There was a triangle of screen that was lighter than the rest, and under certain circumstances you could see black splotches. But both issues were only apparent when you worked hard to see it, but never under "normal" use.
From what I understand having a little inconsistency in AMOLED screens is unavoidable. I would rather have this issue than the washed out colors of an LCD screen, personally. I would wager the issue is probably there on every S4 if you look hard enough, it was on every S II I ever saw.
The only issue I saw that I felt was worth getting a new device was burn in. On the Captivate it happened after about 6 months, the S II about 9 months. I'm hoping that Trend (each phone lasting longer than previous gen until it burns in) continues with the Note, S III, Note II, on to the S4.
Sent from my SAMSUNG-SGH-I337
This seems to be a common issue. I'm on my third s4.
Phone 1: vertical lines
Phone 2: pink tint at bottom (screen darker at the bottom)
Phone 3: pink tint at top (screen darker at the top)
You can try exchanging it but there's no guarantee you will get a better screen. In fact you may get a worse one.
The qc on these phones seem to be pretty awful.
If the problem isn't too bad I would just keep it and try to get used to it.
The galaxy s2 had an issue where the left side of the screen had a yellow tint compared to the right side. Samsung eventually came out with an update to fix this issue. Hopefully they do the same with this problem.
dwang said:
This seems to be a common issue. I'm on my third s4.
Phone 1: vertical lines
Phone 2: pink tint at bottom (screen darker at the bottom)
Phone 3: pink tint at top (screen darker at the top)
You can try exchanging it but there's no guarantee you will get a better screen. In fact you may get a worse one.
The qc on these phones seem to be pretty awful.
If the problem isn't too bad I would just keep it and try to get used to it.
The galaxy s2 had an issue where the left side of the screen had a yellow tint compared to the right side. Samsung eventually came out with an update to fix this issue. Hopefully they do the same with this problem.
Click to expand...
Click to collapse
Touché - I'm on my FIFTH S4 already. I documented the 1st 3, but I've lost patience now... I don't know what to do further???
http://forums.androidcentral.com/samsung-galaxy-s4/304256-s4-screen-uniformity-issues.html
This has been common with quite a few of the phones I've had. It's more of a yellowish tint at the bottom. I read that its most likely the glue that they use and that it will correct itself with time. I just never waited long enough to see if that was the case and always exchanged them.
Sent from my SAMSUNG-SGH-I337 using xda premium
where is your phone made from? mine is made in korea, it works perfectly. I heard the ones that are made elsewhere has lower build quality.

[Q] Is screen discolouration a fault?

Hello,
This is my first topic here, I have just bought a new S4, and the screen seems to have lines in it, when it is on a grey/dark screen, and is discolored on the bottom half.
Anyway, Please could you go into Settings > More > about device > software update. Now if you go in the dark, do you see discoloured patches on the bottom of the screen? (which are lighter than the rest). Please can you tell me which mode your screen is on, as then I can see if I can remove the problem by changing modes.
Also, It seems like when my screen is grey, there are lines all over the bottom half, that are slightly lighter than the rest of the screen.
Would you class this as a fault, as you can only see it in the dark, but I do use my phone in the dark a lot...
Do you think it is worth it to return it?
Also, if it is, do you think I should take it to the Samsung Service Center (I have full warranty, and Knox 0x0) or just return it to the seller
Thanks for any replies, I would be so greatful to anyone who helps
PS. it is not just in settings, it happens in any app that I use...
Well, first of all AMOLED technology isn't perfect and this is well known.
Most of users have a purple /pinkish tint on the bottom of the screen or top.
On mine aswell the bottom part of the screen is more pinkish or something like that, can be seem only on grey backgrounds bot i got used to it and doesn't bother me. Also i noticed when i keep brightness on very low level on white backgrounds like in play store i can see 1 or 2 slightly lighter horizontal lines.
To be honest doesn't bother me, all s4's i checked they all have some screen issues, because is AMOLED.
I have the same. That just something you have to live with.
Dean-xXx said:
Well, first of all AMOLED technology isn't perfect and this is well known.
Most of users have a purple /pinkish tint on the bottom of the screen or top.
On mine aswell the bottom part of the screen is more pinkish or something like that, can be seem only on grey backgrounds bot i got used to it and doesn't bother me. Also i noticed when i keep brightness on very low level on white backgrounds like in play store i can see 1 or 2 slightly lighter horizontal lines.
To be honest doesn't bother me, all s4's i checked they all have some screen issues, because is AMOLED.
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anubius said:
I have the same. That just something you have to live with.
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Really? It doesn't seem very good that it should have lines across it tbh
I am quite disappointed - Does it also seem to have lines that look at bit like burn in, but can't be as the phone is brand new ,and i cant think of any time that i let burn in happen...
George109 said:
Really? It doesn't seem very good that it should have lines across it tbh
I am quite disappointed - Does it also seem to have lines that look at bit like burn in, but can't be as the phone is brand new ,and i cant think of any time that i let burn in happen...
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If they are visible even on high brightness then is a problem.
So if you can clearly see them on maximum brightness, then you can go and ask for a replacement
Dean-xXx said:
If they are visible even on high brightness then is a problem.
So if you can clearly see them on maximum brightness, then you can go and ask for a replacement
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Click to collapse
Ok, I will go and check it later on high brightness when I go to bed tonight. I'll report back later
Thanks for the replies
George109 said:
Ok, I will go and check it later on high brightness when I go to bed tonight. I'll report back later
Thanks for the replies
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Bad news. Seems like these lines and discoluoration also happens on full brightness. Looks like I need a repair. I'll try and post some photos tomorrow...
Edit: I bought it on eBay. Should I open a case, or should I take it to a Samsung service Centre as there is one close to Me?
I have the same lines, mostly visible on gray backgrounds. I can really see it on the weatherbug load screen. The one my eye sees the most is about 25% up the screen from the bottom, but when I stare for a while I can see a lot more. From what I've read, this is normal.
I dont get a full equal black screen either.Its like light is trying to get through in the bottom half of screen.Its more noticeable on lower brightness.
Never noticed it before....
George109 said:
Bad news. Seems like these lines and discoluoration also happens on full brightness. Looks like I need a repair. I'll try and post some photos tomorrow...
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Click to collapse
Im sorry for tell ya but i think u have LCD screen troubles, like HERE
Every S4 has grey bands across the screen. The worst is the one about 25% up from bottom.
It's just a flaw of AMOLED screen
Sent from my GT-I9505 using XDA Premium HD app
But this was not the case for S3 screen when I had it. So it is the new panels that have this problem.
anubius said:
But this was not the case for S3 screen when I had it. So it is the new panels that have this problem.
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You're right, the S3 screen was fine.
The new panels in the S4 are crap ( in my opinion)
Only advantage is 1080p, which for a phone is pointless (again, my opinion)
Sent from my GT-I9505 using XDA Premium HD app
Obagleyfreer said:
You're right, the S3 screen was fine.
The new panels in the S4 are crap ( in my opinion)
Only advantage is 1080p, which for a phone is pointless (again, my opinion)
Sent from my GT-I9505 using XDA Premium HD app
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Hate to be the bearer of bad news, but I have absolutely no strange lines or differences in colour on any given background.
I only got mine a week ago though.
I'm sure you will mate, or you just haven't noticed it yet
I've had 7 different S4s and EVERY SINGLE ONE had banding in greys.
Sent from my GT-I9505 using XDA Premium HD app
Obagleyfreer said:
You're right, the S3 screen was fine.
The new panels in the S4 are crap ( in my opinion)
Only advantage is 1080p, which for a phone is pointless (again, my opinion)
Sent from my GT-I9505 using XDA Premium HD app
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Click to collapse
100% agree with you.
---------- Post added at 10:20 AM ---------- Previous post was at 10:16 AM ----------
Obagleyfreer said:
I'm sure you will mate, or you just haven't noticed it yet
I've had 7 different S4s and EVERY SINGLE ONE had banding in greys.
Sent from my GT-I9505 using XDA Premium HD app
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You are right I also had another s4 and the same thing. Probably if you go to the store and try the phones there all of them will have this. At first look with high brightness on it is not obvious but after looking carefully you will notice it.

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