Related
Lately I've noticed that my Milestone has some problems with displaying colors.
I have attached the screenshot of my home, where you can see terrible transitions between similar hues.
lso, there is wallpaper file attached, which seems to be okay to me.
Is it common with those screens or it's just my Milestone?
my milestone does the same :/ could it be that it does not have 16 million colors?
24 bit images on a 16 bit display will cause the banding you see.
Sent from my Droid using XDA App
fivefour said:
24 bit images on a 16 bit display will cause the banding you see.
Sent from my Droid using XDA App
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i find it weird that no reviews mentions this or even the specifications sheet, :/ the desire has an 24 bit display?
That's what I thought, pretty much.
Still, it being not mentioned is strange, as it seems to be fairly serious issue. Unless it's possible to convert images with no quality loss visible on the screen.
The proper term is dither, in cyanogen you can enable surface dithering in cyanogen mod settings > performance which should improve image quality at the cost of performance. Not sure about other roms.
Sent from my Droid using XDA App
im curious to know about the display used in the droid 2 and droid x, the htc desire, are they using a 24 bit display now?
The Droid/Milestone does have a 24-bit display: http://www.displaymate.com/Motorola_Droid_ShootOut.htm
In fact, the Droid 2 uses the same LCD.
That gradient problem with your image is probably caused by several problems:
1. The picture is not a true 24-bit image.
2. Google's Gallery is limited to 16-bit!
The Milestone/Droid has one of the finest LCDs on the market, and if it had not been so expensive when it was first released in Canada ($600!), I would have bought it in a heartbeat, despite the locked bootloader.
EDIT: I've just examined the photo on my 24-bit Aquos, and it looks perfectly smooth, so the problem is being caused by Android 2.1. FroYo's Gallery is also limited to 16-bit.
So what gallery could I use to put wallpapers on?
Flikie does pretty much the same, as it uses Froyo gallery.
Well, it seems that application named Wallpaper Set and Save (find it in market, it's free) is the easy way out.
This app lets you set the 24-bit wallpaper keeping the desired quality, more or less.
Though, it may make Launcher Pro FC a couple of times right after setting the new wallpaper, then it works flawlessly.
applebook said:
The Droid/Milestone does have a 24-bit display: http://www.displaymate.com/Motorola_Droid_ShootOut.htm
In fact, the Droid 2 uses the same LCD.
That gradient problem with your image is probably caused by several problems:
1. The picture is not a true 24-bit image.
2. Google's Gallery is limited to 16-bit!
The Milestone/Droid has one of the finest LCDs on the market, and if it had not been so expensive when it was first released in Canada ($600!), I would have bought it in a heartbeat, despite the locked bootloader.
EDIT: I've just examined the photo on my 24-bit Aquos, and it looks perfectly smooth, so the problem is being caused by Android 2.1. FroYo's Gallery is also limited to 16-bit.
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if the 16 bit problem is androids fault how could google not fix this in 2.2? so thats why a lot of of phones use a different gallery than the stock, im surprised this isnt mentioned more often
This link should be a sticky http://www.pcmag.com/article2/0,2817,2362605,00.asp
jackeh070 said:
Well, it seems that application named Wallpaper Set and Save (find it in market, it's free) is the easy way out.
This app lets you set the 24-bit wallpaper keeping the desired quality, more or less.
Though, it may make Launcher Pro FC a couple of times right after setting the new wallpaper, then it works flawlessly.
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Click to collapse
i searched for it and it says it only works in 1.x not in 2.x but it works... weird
Chad_Petree said:
if the 16 bit problem is androids fault how could google not fix this in 2.2? so thats why a lot of of phones use a different gallery than the stock, im surprised this isnt mentioned more often
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Yeah, I agree. Apparently, Samsung's Galaxy S Gallery is a bit better. Not truly 24-bit, but the Galaxy S adds improved dithering. The Galaxy S, with all of the hype about SAMOLED, is not even a real 24-bit display You Milestone/Droid/Droid 2 folks have the best Android screen, IMO.
Chad_Petree said:
This link should be a sticky http://www.pcmag.com/article2/0,2817,2362605,00.asp
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Click to collapse
True.
Google is not eager to tell you the answer if you don't exactly know what you are looking for. And for non-technical people it may be hard to guess.
Chad_Petree said:
im curious to know about the display used in the droid 2 and droid x, the htc desire, are they using a 24 bit display now?
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i dont know what the droid screen was like but i got a milestone 2(droid 2) yesterday and the screen looks awful on it, nothing but dull colours, i just made a post about it here
http://forum.xda-developers.com/showthread.php?p=10401973#post10401973
Hi everyone,
I will be upgrading in late Feb. The options are: another s2 or Note.
Love my s2 (rooted with Illusion-xT v1.4.2 - XWKL1 2.3.6) , played a bit with Note and its size is not a problem for me.
I really have no time to go through the forum to find my answers.
I'd like to know:
- the battery life compared to s2
- does Note do everything that s2 does?
- call recording quality pls, does anyone use Total Recall?
- application compatibility with s2
- overall performance compared to s2
- your experience if you are owning both s2 and Note
- TV out - like in s2?
Thanks a lot guys!
qwerty1q said:
- the battery life compared to s2
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About roughly the same, the 250mAH is to feed the huge screen. I get the same video playback time of 9hrs on the S2 and on the Note. Gaming might suffer since it needs to compute for more pixels.
qwerty1q said:
- application compatibility with s2
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No issues, Andriod apps mostly scale to the screen and if they dont developers fix then quite fast.
qwerty1q said:
- does Note do everything that s2 does?
Click to expand...
Click to collapse
The Galaxy Note is different device but is an upgrade for the Galaxy S2 in a way.
qwerty1q said:
- overall performance compared to s2
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Some say the note lags/UI stutters more than the Galaxy S2.. this is only true when you use the pinch to view the home screen or the app drawer which is a TW issue, anything other than that the Note does things FASTER than the S2 which is expected as it is a better device even under the hood.
qwerty1q said:
- your experience if you are owning both s2 and Note
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I find it difficult to now use a phone with anything less than 5.3" of a screen, this is one major drawback once you get attached to the Galaxy note.
Altho both phones are not with out its issues, faces similar issues on both ends though
You havent asked this but the GPS on the Gnote is amazing, you can even get a signal lock indoors all of this due to the GLONASS that it has, but its not that accurate as compared to dedicated GPS devices yet.
Thank you EarlZ
Yes I ve forgotten to ask about GPS as I am gonna use my Copilot and Sygic very often.
What about TV-out - the same as s2?
Howdy.
Typed up a quick compairison between the two if you wanna take a moment to read it here.
One thing that I didn't mention in that post is TV out, and it's exactly the same as you would do so on a GSII; plug in an MHL adapter.
I personally haven't used GPS on the phone enough to count, but everyone else who has, has said it's the best they've used thus far. Much better than a GSII
If you go for it, you'll love it.
And hey! If you're not satisfied with it, go ahead and sell it and use those funds for either a new GSII or, when the time comes, put it towards it's successor.
But I doubt you'll want to once you get your hands on this baby
qwerty1q said:
Thank you EarlZ
Yes I ve forgotten to ask about GPS as I am gonna use my Copilot and Sygic very often.
What about TV-out - the same as s2?
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I've never used TV out on the S2 but I assume they will be exactly the same.
---------- Post added at 06:29 AM ---------- Previous post was at 06:27 AM ----------
qwerty1q said:
Thank you EarlZ
Yes I ve forgotten to ask about GPS as I am gonna use my Copilot and Sygic very often.
What about TV-out - the same as s2?
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I've never used TV out on the S2 but I assume they will be exactly the same.
DarkShot666
Just took a quick peek at your post and I noticed you mention at 25% there is no issue viewing it under direct sunlight? I even have issues with the S2 or the note at 100% brightness under direct sunlight well ofcourse this varies how bright the sun is shining though.
EarlZ said:
DarkShot666
Just took a quick peek at your post and I noticed you mention at 25% there is no issue viewing it under direct sunlight? I even have issues with the S2 or the note at 100% brightness under direct sunlight well ofcourse this varies how bright the sun is shining though.
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I've personally never noticed any issues. It could very well be that any light that I was under wasn't 100% dead on, but my Note screen is always one of two brightness levels: 25% and 0%. I've never had a need to crank it any more.
Are you a big guy? (ie 6" + ?)
Then get the Note.
qwerty1q said:
What about TV-out - the same as s2?
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Click to collapse
Used on both. More or less the same, yes.
For both devices, however, the system UI outputs at native resolution. So when you're web browsing or just going through menus and such, the S2 is at 800x480, the Note is 1280x800; noticeable difference.
I will say though, that the Note does seem to slow down quite a bit when hooked up to the TV for moving about the UI or playing games and such (mainly because, not only does it have to render 3x as many pixels already, but now it's doing it twice over(!!!), it's quite a burden, and it shows.
That said, it's still (mostly) functional, and when using it for video output (even full 1080p), it is flawless there.
P.S. I'm selling my international GS2 if you're interested. Send me a PM
Is this phone any good I am currently waiting on it's release and I want opinions from owners of this device. It seems to be a really nice phone but we all know looks can be deceiving.
My friend read this tread below
http://forum.xda-developers.com/showthread.php?t=1474891
Go read some reviews - there are plenty. But make sure to only pay attention to reviewers who clearly used the device for a few days or more.
Many first impression reviews/unboxing videos state 'obvious' things that clearly aren't true after you use it a few days.
ChodTheWacko said:
Go read some reviews - there are plenty. But make sure to only pay attention to reviewers who clearly used the device for a few days or more.
Many first impression reviews/unboxing videos state 'obvious' things that clearly aren't true after you use it a few days.
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Click to collapse
Agree.The Note will blow almost everyone away on first impression because of it's size and eye catching dynamic display but it does have some issues once you have used it for a while.
Most issues like lag and banding are not severe and can be fixed with mods but the one issue that cannot be fixed right now is the pixelation in dark shadows which can be a deal breaker some people.For most it won't be a deal breaker and most won't even notice the problem unless they watch a lot of movies in a dark room.
Samsung could fix the problem with an update and supercurio is working on an app to address the issue so there is hope there as well.
Grim-Droid said:
Is this phone any good I am currently waiting on it's release and I want opinions from owners of this device. It seems to be a really nice phone but we all know looks can be deceiving.
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Click to collapse
It's an OK'ISH phone. It may be too big for you, although the pentile display is not noticeable from a foot away but any closer you will notice them, there are colour rendering issues(you will see colour banding, Samsung always tend to screw up display just to make colour POOP. never a fan of Samsung dnie engine), audio dac is. Not up to par with iphone or SGS in terms of sound quality, the stock keyboard is laggy, not popular among dev yet, no ics leak for note so far, no calibration for stylus, power button and volume button are nor ergonomically placed, (you have a high chance of changing the volume wile unlocking on one hand operation or vice versa), it can't run crisis or ios, sometimes life is a wet BANANA. FRIDAY.
Sent from my GT-N7000 using xda premium
Thank you for all your helpful replies everyone. It sounds a little buggy right now so I don't know if I want it so soon maybe after some fixes for things I will get it.
Seriously can't work this one out, do I get my screen changed or not?
Should I wait to see if ICS makes it any better?
This phone is perfect for me except this issue with the blacks / greys. Even when i zoom in on dark parts of pictures taken with the phones camera it turns into a pixelated mess, so this is defiantly not a low quality source issue, its hardware or software related, but which?
Advice please guys. Many thanks!
I know! Right?
The screen Is freaking awesome, simply the best on any smartphone, but why those blacks haven't been fixed yet???
Sent from my GT-N7000 using Tapatalk
I really am at a loss to what you guys are complaining about. I'm either not that fussy, or deluded to the fact that what I think I am seeing as 'bad' I pass off as something else.
From what I've read around the forums, what should be a shaded series of greys/blacks in an area are appearing as blocks of black/darkgrey instead of a gradual change.
I've always thought this was down to how videos/images where compressed or decompressed and displayed - which would almost certainly be software and not hardware?
davexeno said:
I really am at a loss to what you guys are complaining about. I'm either not that fussy, or deluded to the fact that what I think I am seeing as 'bad' I pass off as something else.
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Click to collapse
Same here. My blacks look fine most of the time. When I do get grey blockiness I'm pretty sure it's due to poor compression in the video file, because other videos, large black areas look fine.
Can anyone give a link to a video available online in which this problem occurs (and the point in the video we should be looking at).
Maybe then we can get some objective testing with everyone using the same source file.
Maybe even have people doing screenshots to compare screens.
http://forum.xda-developers.com/showthread.php?t=1366014&page=4
I'm rarely using my phone in dark enough conditions to notice.
ICS should improve gradients, but won't fix the black crush if it is indeed a problem with the screen hardware.
I am probably going to regret this, as my Note was perfect except for this black crush issue, but I sent mine back to be replaced. And the issue was not just on videos for me so poor quality encodes are not the problem, I was getting it even with pictures taken with the phones camera. Said pictures taken with the Note displayed fine on my pc and my wifes Galaxy s 2, so it is deffo a problem with the device.
Please lets not turn this into another "who cares" or "its not that noticeable" debate like the other threads, all I am aiming at with this thread from now is to find out if there are any Notes in existence that do not have this issue!
Thanks.
I refuse to look for a problem that is not there.....
There is no phone or portable device in existence that is color accurate, either tonally or temperature or gamma correct out of the box, and to expect such is to be, well, expecting quite a bit too much.
Why do i make that statement?.. Well, given that a monitor or TV at ANY price are not accurately calibrated.
To get an accurately calibrated monitor requires a display worth using, then a color tone/temperature/gamma calibration system (which is ~$200 & up) and software that can use the resulting calibration profiles...
The SGN is a phone... tbh there is no "fault" or "problem" here, other than unrealistic customer expectations...
Would a settings app that could set globally set color temp & gamma be helpful? sure.. there is enough color temp variation in the spread of production tolerances in phone to make this useful... stop a ll the pink white /blue white issues
But will it make the SGN a color accurate display?.. no.
So... lets wave a magic wand and make it so... whats the point? the camera does not justify it, the movies you watch are overly compressed and not color accurate (never mind compression artifacts of banding, blocking and shading), youtube videos have no quality controls.. online TV, website videos and stills have major color saturation issues.. so what content will you access that is going to be useable on a color accurate display?..
well, 4 beers down and 2c more spent..
Mystic38 said:
I refuse to look for a problem that is not there.....
There is no phone or portable device in existence that is color accurate, either tonally or temperature or gamma correct out of the box, and to expect such is to be, well, expecting quite a bit too much.
Why do i make that statement?.. Well, given that a monitor or TV at ANY price are not accurately calibrated.
To get an accurately calibrated monitor requires a display worth using, then a color tone/temperature/gamma calibration system (which is ~$200 & up) and software that can use the resulting calibration profiles...
The SGN is a phone... tbh there is no "fault" or "problem" here, other than unrealistic customer expectations...
Would a settings app that could set globally set color temp & gamma be helpful? sure.. there is enough color temp variation in the spread of production tolerances in phone to make this useful... stop a ll the pink white /blue white issues
But will it make the SGN a color accurate display?.. no.
So... lets wave a magic wand and make it so... whats the point? the camera does not justify it, the movies you watch are overly compressed and not color accurate (never mind compression artifacts of banding, blocking and shading), youtube videos have no quality controls.. online TV, website videos and stills have major color saturation issues.. so what content will you access that is going to be useable on a color accurate display?..
well, 4 beers down and 2c more spent..
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Dude, my pc plays / displays these movies and images fine with no artifacts, as does my tv, as does my partners Galaxy s 2, as does my Nexus s, so how can you say that there is no problem?
Anyway, I just had a look at my cousins Galaxy Note and that one is playing these movies fine, and is displaying the pictures taken with my Note without the chess board effect, so if you are happy to pay over £400 for a defective device thats up to you, but many of us expect to get what we paid for.
I just found this on you tube, http://www.youtube.com/watch?v=0a8aIGeLERg many people find this a problem.
CONTACTMC said:
I just found this on you tube, http://www.youtube.com/watch?v=0a8aIGeLERg many people find this a problem.
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I agree with you it is a problem and even supercurio has been on it and he is a developer so someting isnt right so lets hope it gets fixed cause many people suffer with it
CONTACTMC said:
I just found this on you tube, http://www.youtube.com/watch?v=0a8aIGeLERg many people find this a problem.
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The problem is clear enough to see there, but it's not one I've ever noticed on my Note. I just tried playing this YouTube clip on my Note....
http://www.youtube.com/watch?v=syxd2n8S4AE
and could see nothing wrong with the video performance in a darkened (curtains drawn during daytime) room. I wonder how well this clip plays for other people on the Note.
I made a video of the Note playing this clip and I'm uploading it at the moment. It will take a while (81 minutes remaining at the moment) as I shot in 1080p. I'll post a link when it's ready.
FWIW I'm on the latest official ROM and my phone was sourced from Germany in early November. From my perspective there is no problem, which might make it quite hard for Samsung to fix.
My Note is running on ICS (CM9) and the color rendering is substantially improved over stock GB. Gradients are smoother and blacks are rendered cleaner.
My video is up.
http://www.youtube.com/watch?v=fl0SKxnqa2I
tdodd said:
My video is up.
http://www.youtube.com/watch?v=fl0SKxnqa2I
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I've played the same clip on my Note and it looks exactly like yours, no banding/crushing/clipping whatsoever.
I've tried a lot of Youtube clips and movie trailers but in only one of them I could see obvious artefacts during a fade out. I played the same clip on my pc and saw the same thing happen there so that's probably just lousy encoding.
Thanks for putting that video up, I hope my replacement looks like yours, its due tomorrow.
I got me new note, this one is set to uk language instead of german like the one I returned. It has the exact same issue, drops from 4 grey to 3 complete black and i am still getting the clipping, bloody Samsung, this was meant to be an upgrade from my nexus s, but most stuff looks better on that! Not gonna excahnge again, I will wait for ICS and see if Samsung actually acknowledge the issue.
@Mystic38. Whilst I agree with you that most consumer devices don't come calibrated to industry standards and that most consumer devices lack the essential settings found on the most basic of professional displays, I fail to see how any colour, contrast, hue, gamma or brightness calibration would affect the overall appearance, unless of course you are cranking the settings beyond anything useful and crushing the dynamics intentionally.
It's difficult to introduce visual banding or blocking in high BIT rate video or lightly compressed images by tweaking settings and calibration by a couple of percent alone, as there are near on 17 million colours. This leaves thousands of grey levels to play with and the human eye shouldn't notice banding or blocking with that many greys.
This presumably points to an issue with the way that video is presented to the screen driver or how the screen driver drives the screen. There's probably an issue with crushing where the hardware converts the digital signal to electronic levels of each AMOLED element. I have seen this problem on other devices, not just phones and most of the time it was rectified after a software upgrade.
Another thing to remember is that companies like Samsung are fully aware and accommodating of the fact that a lot of people now use these types of phones as monitors for photography and video production as I do. I use DSLR Controller and have no problem with crushing. Using the phone as a monitor has been extremely helpful and negated the expense of something which would have cost over 10 times the price.
Sent from my GT-I9100 using Tapatalk 2
I just got round to trying the ,png gamma test file on my Note. It fails the test. Everything below 4 is black and as you go through the numbers from 4 and above there are bands grouping four levels into one tone. Worse still, the tones alternate from greenish to purple instead of being shades of grey. Interestingly if I perform a screen capture the capture is a true reflection of what I see, which implies to me that the Note is actually sending bad values to the screen rather than a hardware problem, because surely the screen capture only cares about the data, not the physical appearance produced.
Looking at the same file on my laptop everything is presented correctly, so obviously the file is not the problem.
Yet despite failing this test I have never noticed a problem with the Note to cause me concern in normal every day use.
tdodd said:
I just got round to trying the ,png gamma test file on my Note. It fails the test. Everything below 4 is black and as you go through the numbers from 4 and above there are bands grouping four levels into one tone. Worse still, the tones alternate from greenish to purple instead of being shades of grey. Interestingly if I perform a screen capture the capture is a true reflection of what I see, which implies to me that the Note is actually sending bad values to the screen rather than a hardware problem, because surely the screen capture only cares about the data, not the physical appearance produced.
Looking at the same file on my laptop everything is presented correctly, so obviously the file is not the problem.
Yet despite failing this test I have never noticed a problem with the Note to cause me concern in normal every day use.
Click to expand...
Click to collapse
Have you viewed it in the gallery or in a browser? With my Note everything below 4 is crushed in the stock ICS browser but I can see everything in the gallery.
pboesboes said:
Have you viewed it in the gallery or in a browser? With my Note everything below 4 is crushed in the stock ICS browser but I can see everything in the gallery.
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Click to collapse
I think the gallery uses a different color gradient and temperature than the stock ICS browser, much as if you view a rich encoded black contrast video on the stock video player and on a custom app video player like MX player... you get varying results...
I think this issue is a mix of both a hardware and software one, and though the Official ICS upgrade "might" alleviate this problem, I surely believe also that since this is a combination of a hardware problem, the clippings are still there but perhaps not quite noticeable anymore....
On my Note 3 there is a Screen Mode setting which allows you to choose between Dynamic, Standard, Photo and Movie. No such thing seems to exist on my 8.4 Pro. Would like whites whiter and blacks blacker - much same as raising contrast and dropping gamma.
Any solution here? An app maybe to adjust color?
Thanks.
I don't have the 8.4, but on my 10.1, it's in Settings-Device-Display-Screen Mode. Any chance it's there on yours?
Sent from my SM-T520 using XDA Premium HD app
jaegorith said:
I don't have the 8.4, but on my 10.1, it's in Settings-Device-Display-Screen Mode. Any chance it's there on yours?
Sent from my SM-T520 using XDA Premium HD app
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Click to collapse
That's what is so weird. I have owned multiple Samsung phones and tablets and the Screen Mode option is always there. But on my 8.4 there is nothing. So so so odd. Can anyone else with an 8.4 confirm?
mitchellvii said:
That's what is so weird. I have owned multiple Samsung phones and tablets and the Screen Mode option is always there. But on my 8.4 there is nothing. So so so odd. Can anyone else with an 8.4 confirm?
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A Google search confirms the absence of Screen Mode on the 8.4.
pilmoore said:
A Google search confirms the absence of Screen Mode on the 8.4.
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Again freaking weird. Why only on this device? Is there an app which will give us some control over gamma? I'd like to make text a little blacker. I know that the Nexus has a great app for that.
mitchellvii said:
Again freaking weird. Why only on this device? Is there an app which will give us some control over gamma? I'd like to make text a little blacker. I know that the Nexus has a great app for that.
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Any sort of gamma or color control would require heavy kernel changes. Unfortunately there's not a lot of kernel development going on with this device. It's a pity this is such an underrated tablet.
From my Pro Tab 8.4
JaylanPHNX said:
Any sort of gamma or color control would require heavy kernel changes. Unfortunately there's not a lot of kernel development going on with this device. It's a pity this is such an underrated tablet.
From my Pro Tab 8.4
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Yes it is a pity. I have always wondered why Android seems to keep gamma settings under lock and key as if we are not to be trusted with them. In windows 8.1 you can adjust gamma all you like, one reason my laptop looks so great. If I could just turn down the gamma a few notches on this my blacks could be every bit as dark as AMOLED.
Damn you Google and your strange ways.
That answers my question. I have it on all of my samsung phones. Why the hell is it not available on this so called "PRO" version ...
Is this because it doesn't have a AMOLED screen? Or the other tablets pro do have this option?
Screen mode
favero_ said:
Is this because it doesn't have a AMOLED screen? Or the other tablets pro do have this option?
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It seems to be a regional thing rather than a amoled/lcd thing. The original reviews of the pro 8.4 made comment to being able to alter the colours (American reviews).
I personally used this mod (for the S4) to install the X-reality engine,
http://forum.xda-developers.com/showthread.php?t=2358133
for me this worked very well, removing the excess saturation on the Reds and overall balancing the colours. I tried the Bravia 2 engine (port) and found only a very slight change. The Bravia 2 plus the X-reality engines dulled the image too much, so in the end settled for the X-reality engine only. I hope this helps...
Carrib said:
It seems to be a regional thing rather than a amoled/lcd thing. The original reviews of the pro 8.4 made comment to being able to alter the colours (American reviews).
I personally used this mod (for the S4) to install the X-reality engine,
http://forum.xda-developers.com/showthread.php?t=2358133
for me this worked very well, removing the excess saturation on the Reds and overall balancing the colours. I tried the Bravia 2 engine (port) and found only a very slight change. The Bravia 2 plus the X-reality engines dulled the image too much, so in the end settled for the X-reality engine only. I hope this helps...
Click to expand...
Click to collapse
I flashed the x reality zip....so how do I access the settings to change the quality??