yashsingh1/xdaforums huggingface dataset:
[Galaxy Note GT-N7000 General] theguy:
All of the speculation and misinformation of this issue is really starting to get frustrating. First, the issue IS with the hardware. It may be possible to reduce it's impact using software but the fact remains this is a hardware issue. How do I know? I have replaced my Note's screen and the newer screen I have isn't as good as the old one.

The new one isn't awful, it simply isn't as good as the other.

2nd point - everyone will have this issue. It is simply an inherent problem with the screen hardware and it is completely implausible that there are 1 or 2 'perfect' screens out there. There will simply be variations. Some people WILL have better screens than others. For some people the issue may be completely unnoticeable and for others it will be glaringly obvious. Don't judge or hate on people because their screen is worse than yours and vice versa.

3rd the issue is MORE noticeable at lower brightness values than high brightness values. If you have your note on higher brightness values then you're unlikely to notice it. In my case, I can not see any clipping if I am in a lit room. The only time I can see it is when I'm sat in the dark with very low brightness. As I said above this will vary from person to person.

I have attached 2 photos below. One is a normal exposure where you can see the clipping is hard to see. Another is a long exposure which amplifies the issue more and makes it more noticeable (I used a longer exposure on my camera to show this). Fortunately it isn't so bad for me, but for some people my long exposure image is the reality unfortunately.

Standard: http://i48.tinypic.com/4uxnia.jpg

Long Exposure: http://i48.tinypic.com/5akew3.jpg

Why have we got a clipping problem and can software solve it? I believe it is highly unlikely that this issue can be solvable. I also think the issue stems from one simple shortcoming to the screen; the minimum brightness achievable per pixel. The problem is the jump from this minimum brightness to the 'off' (perfectly black) pixel is too great. There is no transition. Can gamma control solve this? I'm not convinced. I think the issue is more to do with what the lowest pixel brightness the screen is capable of. For the poorer people this minimum brightness will be quite bright. For others the minimum brightness will be lower.

If any devs know of a way of controlling pixel brightness on a level where it can be noticeably changed and if it is possible to reduce this minimum brightness then sure, it would certainly be a possibility. But I don't think this is possible.
[Galaxy Note GT-N7000 General] satishp:
Part of this might be a limitation of the HD Pentile AMOLED technology. But if you notice, both the Galaxy Nexus and the Galaxy S3 share the same technology. For people who argue that the S3 uses a different manufacturing procedure, Samsung has no where mentioned this and its just an assumption.

The GNexus had the same issue but was solved with the LEAN kernel which implemented a gamma control within the kernel. If you've seen the S3's screen ( I own an S3 too, So I've spent a good time comparing), you will notice that the S3's screen is visibly darker than the Note's screen. Images tend to look darker and this shows that the S3's screen has its gamma set to a lower value which eliminates the clipping.

More proof for you, lets take the gammatest image and view it on our PC. Most PCs use an LCD display and still you can see the greys gradually fading to black.

Now increase the gamma of your display from your display adapter's color settings and view the same image again. You will see that you can see all the way upto 1 and then black just like how the image is displayed by the note.

http://xdaforums.com/showthread.php?t=1800117

Now view a 720p or 1080p clip on your PC with the gamma values still high, you will see the clipping in every dark scene. Try it yourself.

This shows that gamma calibration can correct the issue to atleast some extent.
[Galaxy Note GT-N7000 General] theguy:
Hmm. There appears to be truth in what you say. Unfortunately the Note is lacking somewhat in the developer department. And the few devs there are have other pressing issues to deal with so the question becomes who can implement gamma control on the Note?
[Galaxy Note GT-N7000 General] Entropy512:
Yup. Despite being pentile, compared to my I9100/I777 the screen is even more gorgeous.

I'm on minimum brightness nearly all the time. No clipping issues whatsoever.
[Galaxy Note GT-N7000 General] LordManhattan:
Yup, and it's even better when you switch the screen mode to "Dynamic" (Advanced Settings).
[Galaxy Note GT-N7000 General] CONTACTMC:
I have the clipping regardless of which mode I put it in, apart from the clipping the screen is mint, which makes me even more pissed off when I watch a movie and a dark scene comes on, then the shade between black and grey turns into a lego block mess. I really cant beleive so many people are happy with it, half of u guys must be blind, I exchanged my Note twice, tested my cousins and my bosses Notes, all have the exact same problem. I even bluetoothed the gamma test image to a few in carphone warehouse , same with them, even the samsung rep I spoke to over the phone said the one they have in the office also has the issue. Total crap imo, Samsung total FAIL.
[Galaxy Note GT-N7000 General] NotablyNice:
Actually use your Note and go watch a dark movie... It's there
[Galaxy Note GT-N7000 General] Entropy512:
I've watched plenty of dark movies... As good as if not better than my I9100/I777.
[Galaxy Note GT-N7000 General] CONTACTMC:
Please take a picture if your note displaying the gamma test image (blocks numbered 1 to 20) with stock gallery app in a dark room, screen mode dynamic, max brightnes with auto adjust switched off, I bet number 4 is light grey, then number 3 is black, if so your device has black clipping. There should be no abrupt drop from grey to black, it should be a gentle fade.

Thanks.
[Galaxy Note GT-N7000 General] satishp:
Glad to know you have a great screen. Every note I've seen here has the issue. Even Samsung showroom demos here, have the issue. So there is no point asking for exchange or screen replacement. Almost every Note user has the issue. I believe that lowering the gamma can help solve this. So is there any way you could implement a gamma control within the kernel? I remember hardcore telling me at the speedmod thread that the MDNIE settings had a lot of parameters including gamma but he hadn't touched anything but sharpness of the display.

If you've seen the Galaxy S3 screen, you'll realize that the gamma is lowered and the colours appear darker compared to the note.

The Galaxy Nexus had the same issues with clipping which was resolved with the Gamma control built into the LEAN kernel for the Galaxy nexus.

So if somebody cold give us gamma & color control at the kernel level, I believe this would solve the issue for those of us who are affected (which is a majority) .
[Galaxy Note GT-N7000 General] airwax:
I gave up on the Note mainly because of this issue. After I purchased it, I noticed right away the black clipping issue. I lived with it for awhile hoping that it will be gone. On stock ROM, the issue was severe, using the screen adjuster app and adjusting the contrast, the clipping is only reduced when contrast is set at around -65. Of course, loosing the deep blacks. So I tested custom ROMS, went directly to Paranoid Android since it is what I'm using on my S2, but again no luck. The issue was still there and only gets reduced around the same contrast setting. It was more obvious though on Paranoid ROM since the background has dark gradient, and can be seen on the wallpapers (including live wallpapers). Then I installed Criskelo's ROM, this is based on stock and it was a little bit better. Black clipping on videos get reduced with a contrast setting of around -14. So I'll be staying with this ROM for now.

Hopefully, Samsung will get their act together and fix this.
[Galaxy Note GT-N7000 General] tbong777:
No issue here that jumps outs. Screen is set on dynamic. Watched Girl With dark Tattoo and it looked fine. All personal videos and You Tube content looks fine....The device on GSM Arena is scary bad. If I had that I would get rid of the phone in a heartbeat. But seriously I would have never known there was an issue until i read some threads on "crushed backs" Lucky me? or are some people just OCD about these devices....
[Galaxy Note GT-N7000 General] satishp:
Would you be kind enough to post a photo of your Note's screen with the Gammatest image in a room with low light or preferably dark?

Its because most people who claim to have a "perfect" screen fail to respond after we request for a photo of their screen.

If yours is indeed "perfect", we can come to a conclusion that the majority of us who face this issue are looking at a hardware defect on our phones.

This would help a lot of us in making decisions regarding a screen replacement or evven an exchange in countries where its possible under warranty.
[Galaxy Note GT-N7000 General] stoney73:
Totally agree. The three notes i maintain(mine,the wife's and my neighbours) have no screen complaints. And whilst I probably wouldn't notice, my neighbour would, he's extremely anal and fussy about things.

As for requesting pictures of our 'perfect ' screens, for what? If you aren't happy with your screen, get it replaced or sell it and get a different device.
[Galaxy Note GT-N7000 General] MrDSL:
I keep my brightness pretty low also..I really dont go out of my way looking for things wrong..

I do have black clipping on ****ty videos though but those same videos look like crap on my PC also..Most of my videos look fine and I havent had anyone ever comment on them when I'm showing Netflix etc
[Galaxy Note GT-N7000 General] CONTACTMC:
I exchanged mine twice, all have the problem. Please see below example of the problem, on the left is my Note, right is my wifes s2, you can clearly see that the note goes from grey on block 4, to complete black on block 3, but the s2 has a nice fade to black.

Its like the note is not capable of display the shades that are between blocks 4 and 3, so it does its best and show either complete black, or grey, hence the blocky crush effect.

Every note I have tested does this, please do us a favour and show us a picture of your perfect note displaying the test image with a nice fade, if not I guess your another one on sammys payroll ...lol
[Galaxy Note GT-N7000 General] M3TALLICA:
I do not have severe issues mentioned here.

Things were worse on Gingerbread, improved on ICS with SpeedMod kernel and greatly improved with CM9.

Brightness is lowest when I'm indoor.

Screen settings :

Settings > Advanced > Screen

Scenario : Movie

Mode : Movie
[Galaxy Note GT-N7000 General] MrDSL:
I'm not on sammys payroll but again I'm not ever looking at a pic that counts down from 20 with different colors of black..

I watch a video etc and it looks fine to me..I have seen worse screens then mine so maybe i got a better one i dunno...its not perfect by any means but to me it looks great.

return the phone or sell it if you're not happy...obviously at this point samsung isnt going to do anything about it.
[Galaxy Note GT-N7000 General] CONTACTMC:
That is the test as proof of the issue, no one with a perfect screen has yet to put up pictures showing the note not failing this simple test.

I bought the Note as a multi media device for when I am travelling, first time I used it on a night flight to watch a movie I noticed the problem, I exchanged it twice, tested other units etc... I was even told by the samsung service centre that ICS would resolve the issue. Anyway, I am pretty happy to put money on all Notes having this issue, but if you only use it for phone calls and web browsing yr not gonna notice it.

But when u do u will be like WTF!

Selling it aint happening, I wont do what Samsung has done and sell someone faulty device.
[Galaxy Note GT-N7000 General] Entropy512:
I think people are either being nitpicky and overblowing a minor issue as "severe", or there's a bunch of people who hear there's a problem and then see it even when it's not there.

Someone complained, for example, that there were "severe" issues with the gradient in the Settings app. Ok, there's some very minor banding of the gradient there - but to call it "severe" is utterly freaking ridiculous.

As to gamma control in the kernel - Maybe, who knows. I have 3247093247903279 things higher on my priority list. Most attempts to **** around in gamma/brightness controls end badly due to the complexities of AMOLED controllers. At most I want to try and add a lower brightness level if possible.

And like MrDSL - I have seen black clipping on some videos - but that black clipping occurs on EVERY device I play such videos back on. Garbage in, garbage out.

And CONTACTMC - All your posted picture "proves" is that you have no photography skills or you're faking evidence to prove your point. The brightest point in your picture has an RGB value of approximately 138/138/138. You're trying to whine about black clipping, and the picture you use to "prove" it is severely underexposed? Seriously?
[Galaxy Note GT-N7000 General] CONTACTMC:
Every video I have black clipping on my Note plays perfect on the following : Nexus s, htc one x,Galaxy s 2, pc monitor, tv, ipod touch.

I will say it again,the problem is only evident when you view in a darkened room, in a well lit room you will not see the problem. It is not a source problem, the device has a fault. This is well documented. Just google it and you will see how many people have extream black clipping on there devices. There may be good screens out there, but I have yet to see one, or any proof of one. And calling me a liar is a bit strong, I am just trying to help the op explain the problem.

Now please get on with your 10 million other important things if you are not going to help.
[Galaxy Note GT-N7000 General] MrDSL:
most of us have been through all this..ive played all the youtube video links everyone talks about..the starfield one and sitting in pitch black rooms blah blah blah..it looks great..

i watch video ALL the time...Netflix, youtube videos etc and sure once in awhile I see black clipping but nothing that makes me not want to watch..

My girlfriend and friend here at work both have a SGS2 and im not seeing anything on their phone playing the same video that looks all that better to me..

This is my first Samsung phone..I have always had HTC in the past and even with all its faults this is the BEST phone I have ever owned..

Now i can say EVERY phone I have ever bought has a topic similiar to this one..It may not be about the screen but theres always one with every phone.

Don't cry like a little baby just because someone doesnt have the same opinion as you.

I DO NOT have black clipping on EVERY video I watch..Maybe your eyes or better then mine but it doesnt matter..
[Galaxy Note GT-N7000 General] voxdub:
If you think the Galaxy Note looks great playing videos you're either;

a) very lucky and have a Note which doesn't suffer from the problem

b) well overdue a visit to your optometrist

If Samsung produced a TV which had the same issue consumers would go nuts and they'd be forced to replace the lot of them. Phones are no longer just phones - that they feel the problem doesn't need addressing is pretty disappointing and shoddy on Samsung's part - they're no bothered though - the S3 is out now, the Note 2 in the not too distant future, why would they care about fixing a problem on this phone?

Clipping looks particularly bad on CM9, though watching it on a player with software decoding makes it at least watchable.
[Galaxy Note GT-N7000 General] CONTACTMC:
This is a great device, but it has a flaw and I would like to find a soloution.

I dont know what it is about the Note forum on xda, but I find it really unfriendly compared to other devices sections ( Nexus s etc...) where people are willing to offer help and advice without sarcasm and being generally crappy.

If u have a good screen and are not having this issue then I am pleased for you, but that does not change the fact that I and many many others do have the issue and find it extreamly annoying to have paid so much for a device only to find it has a problem, a problem that the manufacturer will not aknowledge so we cant get it fixed.
[Galaxy Note GT-N7000 General] satishp:
No comments! I tried my level best to explain this issue. Forget about the gammatest image. It shows up on most images and videos which have dark shadows. Everything else appears fine. Except that when any dark colour has to fade to black or the darkest grey, it clips and the video becomes blocky and pixellated (greyish, purplish, greenish or black blocks). This is not about low quality videos. These are 720p and FullHD clips which play well on every other device. I have the SGS3 and the Video which comes along with it. (Wonders of Nature) plays well on the S3 but when played on the Note, everything looks good until the last scene where day turns into night and the city lights fading into darkness heavily clips on the note becoming greyish and black blocks all over the scene thus making the scene "'unwatchable"

I've tried to show that its because the gamma is set a bit higher than other AMOLED based panels. And I know I'm not the only one with this issue. Almost every note I've seen has this. Maybe countries like India get inferior quality panels. I really dont know.

Anyways for everyone who has a perfect screen. I'm glad atleast you people turned out to be lucky.

I was jjust trying to help solve this issue for me and everyone else who is affected. And for people who said I'm just "magnifying" the intensity of a problem, do google this or just search XDA. I bet you'll find a lot of threads with this issue. Just because your screens dont have it or you dont see it. It doesnt mean that the problem doesnt exist.

I'm not a developer and I dont have any experience developing kernels. I did my best to get Samsung know about this issue and a few developers to atleast look into this issue. If I was a developer, I would have did something but I lack the skills and the knowledge to do so.

I understand that tuning the gamma can cause drastic effects on AMOLED panels but I'm willing to risk my Note to give it a try. Because, in the end, if I'm still stuck with this issue or I sell off my note, I can have the peace of mind that "I tried every thing possible"

Thanks for everybody who supported.

http://xdaforums.com/showthread.php?t=1559800

http://xdaforums.com/showthread.php?t=1603136

http://xdaforums.com/showthread.php?t=1603136

http://forums.androidcentral.com/t-...-black-clipping-gamma-issue-galaxy-notes.html

http://xdaforums.com/showthread.php?t=1800117

http://xdaforums.com/showthread.php?t=1720582

http://xdaforums.com/showthread.php?t=1430847

http://xdaforums.com/showthread.php?t=1732966

http://xdaforums.com/showthread.php?t=1344714
[Galaxy Note GT-N7000 General] mundano:
I can clearly see it..

It's not a severe problem.. But it's disturbing, and for a device where the screen is such an important part of the experience, it can't just be ignored as a problem "than no one ever seen"..

As you can see from the gammatest image my screen doesn't seem to be one of the worst, but with the wrong conditions the clipping can be pretty obvious.
[Galaxy Note GT-N7000 General] satishp:
This is what I've been tryiing to tell. Its still tolerable when you see clipping in videos. You get a feeling that " You can live with it and things will improve". But its when the clipping starts showing up in basic UI elements like the wallpapers and the lockscreen that things start becoming really disturbing. This is exactly what happens in CM9. ITs not just some "minor" banding in gradients. Its pure "clipping " which stares back at you. So you cant just ignore it.
[Galaxy Note GT-N7000 General] MiRaCL:
Is there any video on Youtube that would produce this issue or any other way? I've never noticed this issue on my note.

Clipping in the UI sounds like a hw failure in your phone.
[Galaxy Note GT-N7000 General] CONTACTMC:
Watch the last scene in Iron Man 2 when Stark Peppa and War machine are on the roof, that shows it off pretty bad on my Note.
[Galaxy Note GT-N7000 General] satishp:
Not everywhere in the UI. With some wallpapers, in the lockscreen, anything which involvees darker shades of grey. Basically, CM9 has the worst clipping for me. Stock with speedmod or even Stock kernels have lesser clipping compared to CM9.

The intensity of clipping varies from kernel to kernel. But I havent seen any kernel which completely eliminates this issue. The gamma on the screen seems to be set highier that other AMOLED based phones.
[Asus  Eee Pad Transformer Prime] kalhohan:
So today, I unlocked my prime, so far I have tried 3 differents recoveries and all problem, so I've come to ask is there a functionnal recovery for the prime?

I have tried the ones from rom manager normal/touch and both give me error backup when I try to backup my stock rooted rom. (24gb free on sdcard)

Then, I tried the TeamWin one, this one give me error when I try to wipe data, but factory reset is functionnal although this last functionnality is crappy for me because it -not only- remove user data but it removes games/software extra data like 5gb of downloads, music, movies, pictures taken (dcim) that are not in data/medias...

Is there a way to wipe clean when I install a new rom without losing those extra data? (please don't tell me make backup by copy android/data on microsd)

I will backup my device tonight with nvflash because when I see all the brick's topics that really creep me out. What are the most common causes of bricking after unlocking device and succefully install any recovery?

Thanks.
[Galaxy Ace S5830 Q&A, Help & Troubleshooting] msahin061:
Hi friends. How can I edit apps background and font colour. For example: exdialer background from white to black and font colour also.

Please dont prefer using exdialer theme. I already know that. Thank you...
[Galaxy Ace S5830 Q&A, Help & Troubleshooting] isafarady:
i'm not sure.. but maybe you can decompile the app and change the background.png file :p
[Galaxy Ace S5830 Q&A, Help & Troubleshooting] dxppxd:
You need to decompile an app, change the png graphics you want, look for the xml files with text color values and change them. Then recompile the app.

For doing that you need a program to decompile. Try apktool, apk multitool or apk manager. There's lots of tutorials and the files that need to be edited depend on each app. So yeah, use google, use the search.
[Galaxy Ace S5830 Q&A, Help & Troubleshooting] msahin061:
Dear friends. I already know I must decompile Apk file and edit it. So I dont know which xml file includes background and font, etc. colours.

Also I know changing PNG files in apk, so I am asking to change colours of apk.

I use search and don't find anything useful.

Thank you...
[Galaxy Ace S5830 Q&A, Help & Troubleshooting] Shaaan:
Styles.xml

___________XDA Premium__________

Don't be a noob. Be a newbie..!!

Details here.

____________________________________
[Galaxy Ace S5830 Q&A, Help & Troubleshooting] SpaceCaker:
But the bg can be in layout also

So lemme tel you the most importatnt thing

PLAY ;)

If you play with files

You can achieve cool hacks und mods
[Galaxy Ace S5830 Q&A, Help & Troubleshooting] msahin061:
Thank you for your support... But

I'm playing files since i have a symbian device and going on android. And i also change png files of apps succesfully. But this thing is not a png or other picture file. It must be hex code of colour.

So i extracted a lot of xml files and opened in different xml editors and didn't see any hex code. I also tried Xml to txt converter but didn't get a result.

Is there anyone who has knowledge about that...

Thank you..
[Galaxy Ace S5830 Q&A, Help & Troubleshooting] SMillerNL:
You should use a tool to like APKtool to open up the APK's. Then you'll start to see hex. values