Database Users

I think my super amoled screen is dying:(

Ok when I first bout my phone about 6 months ago or less...my screen was very bright. Now I am starting to notice vertical dark lines across my screen, and the screen is noticiby allot less brighter than before...my 2nd gen itouch has a brighter screen that will blind u compared to my phone. Ive been running on overstock kernel eversince it came out so it is not the kernel.. I think my screens pixels r dieng also the dark lines r not noticable unless u got one big bright plain background but this is bad quality control

helikido said:
Ok when I first bout my phone about 6 months ago or less...my screen was very bright. Now I am starting to notice vertical dark lines across my screen, and the screen is noticiby allot less brighter than before...my 2nd gen itouch has a brighter screen that will blind u compared to my phone. Ive been running on overstock kernel eversince it came out so it is not the kernel.. I think my screens pixels r dieng also the dark lines r not noticable unless u got one big bright plain background but this is bad quality control
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With the amount of galaxy s phones produced I think this has been darn good quality control. And i bet your itouch doesnt produce the great blacks that our vibrants have. If you have only had it for 6 months then you still have 6 months warranty left so send it in and get it fixed.
Sent from my SAMSUNG-SGH-I897 using XDA Premium App

in that 6 months, do you always use full brightness?
Sent from my SGH-T959 using XDA App

You mean lines like this?
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Segnaro said:
You mean lines like this?
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He prolly does
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ZachLL88 said:
He prolly does
Sent from my SGH-T959 using XDA Premium App
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Yes, vertical lines that go across and stay there.....

you are in the same boat as me... just let my phone fall down and cracked the lcd.. gona buy the lcd+digitizer and do the repair myself

infestedd said:
you are in the same boat as me... just let my phone fall down and cracked the lcd.. gona buy the lcd+digitizer and do the repair myself
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Dont buy lcd
..super amoled so spd

Sorry but as fantastic as Super Amoled looks initially, it quickly fizzles out, and is prone to burn in.
check this thread out
http://forum.xda-developers.com/showthread.php?t=799750

SuperAMOLED doesn't have burn-in, but rather serious image retention.. so if you leave a screen on it will leave a retained image but you can get rid of it by playing back lots of video or full screen games.
I haven't had any problems with my Super AMOLED display or my Vibrant in general besides the GPS antenna thing which in my account is a flaw of design and not poor quality control.

Samsung Galaxy Note size comparison with HTC Vivid and GSII Skyrocket

I was testing out the Galaxy Note at CES 2012 yesterday and have to say the white Galaxy Note is great looking. I put the GSII SR next to his big brother and brought along the HTC Vivid as well.
The AT&T branded Note did seem a bit laggy, not to bad but I noticed a bit compared to my GSII SR.
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Nice someone who was or is there lol. Anyway hopefully the lag is fixed soon, like the international note and did you test the spen calibration?

The international Note "lags" compared to the international GS2 too. Mo' pixels, plain and simple.

LOL, yeah on the road back home. Actually the pen seemed calibrated. Samsung removed the original stylus and they had the pen that will be a assessory which is like a regular pen. It was more comfortable to use.
Also once you were in the application there is no lag using the application, again this could be fixed or not, but its nothing that would make me stop from buying the Note.
Samsung really was pushing the GNote, as it was advertised everywhere.
By the way, there was a lot of attendees with the international Galaxy Note. I saw the blue one and liked the back color blue, but something about the white one that is just calling my name. The white one does look bigger because of the color compared to the black one.
Sent from my HTC PG09410 using XDA Premium App

They removed the S-Pen phone dock?

Yeah, the lag is really due to the 3X pixels it has to process. So just have to accept it when compared to the S2. Hopefully ICS will help it out.

honf said:
They removed the S-Pen phone dock?
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Really? Can OP confirm this by taking picture where the dock place use to be?
Sent from my GT-N7000 using XDA App

naimmkassim said:
Really? Can OP confirm this by taking picture where the dock place use to be?
Sent from my GT-N7000 using XDA App
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The stylus dock is there, Samsung didn't put the pen stylus because at CES 2012 show, most likely they would disappear. Even though in the lobby Samsung had setup a charge station with some Galaxy Note phones to try, and out of all of them, only one had the pen stylus.
Here is picture of the white Note which is looking nice.
Sent from my SAMSUNG-SGH-I727 using XDA Premium App

[SOLVED] Crushed blacks

So, one of the big reasons that I waited for the S3 instead of upgrading to the Galaxy Note, was because of widespread reports of "crushed blacks" on the Note's display (see this thread).
Crushed blacks is where instead of seeing an even progression in brightness from absolute inky black to the next darkest series of grays, you'll see black and then a stark jump in brightness to the next darkest gray. This defect makes watching movies and other media with lots of dark scenes a problem because it's hard to ignore the high contrasty / blotchy areas.
I'd appreciate it if someone could verify that this is a non-issue on the S3 by using the test image I've attached below. Download it, and view it fullscreen in a dark room. An actual photo of your screen would be nice too. TIA.
EDIT: Thanks all! Glad this isn't a problem on the S3 (and hopefully it won't be on the Galaxy Note 2 either).
720p test image:
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I'm coming from a note and that pic looks perfect on this S3. On my note it jumped at like 2 bars from the bottom on the left side.
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dante2512 said:
I'm coming from a note and that pic looks perfect on this S3. On my note it jumped at like 2 bars from the bottom on the left side.
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Awesome! *sighOfRelief*

I can see all boxes on full brightness.
At 50% I can't see the first two.
Sent from my SAMSUNG-SGH-I747 using XDA

I come from a Galaxy Note, too. The problem doesn't exist on the S3.
First thing I did when I got my S3 was that I did the test like on the Note (opened the image in QuickPic with the setting "Force true color decoding on") and went into a pitch dark room. Breathed a sigh of relief.
Here is a good example of what the problem with the Note looked like
http://www.youtube.com/watch?v=0a8aIGeLERg

I'm happy to report that I had no issue on my screen. Looked great and no crushing at all. I also went ahead and did a dead pixel check and turned out to be 100% :good:

stevieraveon said:
I come from a Galaxy Note, too. The problem doesn't exist on the S3.
First thing I did when I got my S3 was that I did the test like on the Note (opened the image in QuickPic with the setting "Force true color decoding on") and went into a pitch dark room. Breathed a sigh of relief.
Here is a good example of what the problem with the Note looked like
http://www.youtube.com/watch?v=0a8aIGeLERg
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wow that's terrible, here in bed, auto brightness. I didn't even know there was number row to the left lol but on my s2 I'm using, until I watched that video
Sent from my SPH-D710 using Tapatalk 2

Should I return my Nexus 7

Hey guys
I just got my 32GB Nexus 7 yesterday. Didn't buy it online, just in a local store.
Initial impressions are petty good. Only issue that I have is that I'm worried that the screen might be defective. I didn't notice anything off about it until I looked at it beside my Nexus S i9023 (SLCD not Amoled) and saw that the screen has a very warm (yellow) colors compared to the Nexus S which might have a too cold color temp.
Check out the picture below and tell me what what you think.
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Is this normal or is the screen defective and I should return it ASAP?
Sent from my Nexus 7 using XDA Premium HD app

It's 100% normal. It's just because of different display matrix used in both devices. Nexus S uses SLCD (as you've mentioned) while N7 uses IPS (just like all the other Asus' tablets - check out the Transformer series)

Fatal1ty_18_RUS said:
It's 100% normal. It's just because of different display matrix used in both devices. Nexus S uses SLCD (as you've mentioned) while N7 uses IPS (just like all the other Asus' tablets - check out the Transformer series)
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OK that's good news. I saw quite a lot of threads here on xda where people were complaining about similar issues. It doesn't look bad to me, just different from what I'm used to.
Sent from my Nexus 7 using XDA Premium HD app

Yeah, it's somewhat uncomfortable for first week or so, but then you get used to it and it doesn't seem that bad.
I thought that there was something wrong with the display or my device (especially after coming from HTC Flyer with its bright display and pretty saturated colours) but it's simply a "downside" of an IPS matrix.

Fatal1ty_18_RUS said:
Yeah, it's somewhat uncomfortable for first week or so, but then you get used to it and it doesn't seem that bad.
I thought that there was something wrong with the display or my device (especially after coming from HTC Flyer with its bright display and pretty saturated colours) but it's simply a "downside" of an IPS matrix.
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really? i thought that yellowing was coming from the adhesive used when building the LCD assembly

truehybridx said:
really? i thought that yellowing was coming from the adhesive used when building the LCD assembly
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There's no yellowing really, at least not for me. It's just the color temperature (or maybe gamut, don't know the exact term) of the display.
Sent from my Nexus 7 using XDA Premium HD app

[Q] Is Banding Like This Normal for a Nexus 7?

I've read a few posts on XDA which mentions the visible banding in gradients. I find it's visible quite often, in the settings menu, in photos, in apps, videos etc. If this is normal then I'm shocked it hasn't been mentioned in any of the reviews I've. I would only expect to see a screen of this poor quality in a cheap brand.
Jpeg produced from a raw file with no contrast added.
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I have noticed it too, also in camera . but the camera is only a 1.3 I'm guessing
Sent from my Nexus 7 using xda premium

If my Nexus looked like that I would be unhappy.

FlexiPack said:
I've read a few posts on XDA which mentions the visible banding in gradients. I find it's visible quite often, in the settings menu, in photos, in apps, videos etc. If this is normal then I'm shocked it hasn't been mentioned in any of the reviews I've. I would only expect to see a screen of this poor quality in a cheap brand.
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I have similar banding but not as pronounced probably because my brightness level is lower. I haven't really heard of a N7 that doesn't have this problem to be honest.

Mine has it but I only notice it on dark blank screens and I'm not on dark blank screens very often or for very long.
Sent from my N7 using XDA Premium
Dirty AOKP 2.8 <=> m-kernel+ a32

mine had it, like i was in the point of noticing it and posting about it, but meh...
i changed Theme and its not there, i think its just the low quality design of the notification background....

Gradient fix thread
http://forum.xda-developers.com/showthread.php?t=2052598
Should sort out the issue for you...
Sent from my Nexus 7 using Tapatalk HD

Seems to be down to a poor quality screen. I guess they had to make sacrifices somewhere to keep the cost down. Thanks for the link toidimaet, I read through it and there currently isn't a fix for stock 4.2.1. I could ask somewhere there if they would mind making one but it sounds like the next official update might also include a fix (if you can call it that) so I might as well wait.

I have the same issue, the only rom which i haven't this problem was PA so that means it isn't a hardware problem? I can't find RadientFix for SmoothRom.

not a screen issue
the N7 has an IPS display panel, which renders colors, well, too accurately. for gradients you can use strong jpeg compression, which is normally not visible on standard screens. the perfect screen also has disadvantages - most mediocre images look awfully.
by the way, all of the wallpapers that are coming out of the box are useless in my opinion for the same reason