Develop Bugs

Contrast problems on the display?

Hi there,
i am fairly new to the HTC and Android scene. Yesterday i got my HTC One X and the very first i noticed is a problem with the contrast.
Especially when it goes from grey to black, there are blocks visible. It is a bit difficult to make a photo of this issue, but i think you can see it clearly.
Is this a known issue? Can i do something about that?
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Many thanks.

That's not contrast.
That is an image that seems to either compression artifacts or was produced with too little bit depth.
There's nothing wrong with the phone, it is faithfully reproducing a crappy image.

This was just an example. It shows the menu of a program (i think google maps).
I have also some photos that look the same where a black area goes into a brighter area.
Also some of dark HTC widgets, like the clock show this.
Like i said, difficult to make a photo of this issue:

Any problems viewing this?

Probably you mean these horizontal stripes. They are there when you look at the angle, but when you look straight, they are not there. I guess this is a problem due to technology used and it looks the same on mine One X. Also, AFAIR there are two different displays used in HOX, both from different manufactures and one of them doesn't have this problem but there are some other minor problems like smaller contrast or brightness, can't exatcly remember right now. It also annoys me but generally it is still the best phone screen I've ever seen and somehow I can get over it

masc81 said:
This was just an example. It shows the menu of a program (i think google maps).
I have also some photos that look the same where a black area goes into a brighter area.
Also some of dark HTC widgets, like the clock show this.
Like i said, difficult to make a photo of this issue:
Click to expand...
Click to collapse
these widgets in particular, and a lot of other things are supposed to change colour gradients, the notification bar being another.
just makes it look more fancy/3d
personally i don't think you have any problems except for the colour depth of the image not being enough, and that is why you see that, if there was more depth, then more detail and you wouldn't see that blocking
try switch your pc to a lower colour depth and youll see the exact same effect.

BenPope said:
Any problems viewing this?
View attachment 1340574
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Thanks. I had the same idea and it looks normal. I also upgrade it to CM10 which does not have these grey to black transitions at all.
So no problem there, just poor graphics by HTC.
Thanks

[Q] Does the XperiaM camera still blue tint problem after two firmware updates?

Greetings, now that there is a new root method (towelroot) for the new firmware 15.4.A.1.9 (Android 4.3) for single sim Xperia M I am interested to update but ONLY if the camera's blueish tint problem has been fixed. Otherwise it's pointless.
I am on Android 4.1.2, 15.1.C.2.8 and the blueish tint problem under certain lighting conditions is well documented. But what is not documented is whether the newest firmware fixes this...
Can anyone help a brother out?

Questions go in the Q&A section and not here. Please post questions there in the future.

Darn, didn't realize this was gonna be such a hard question to answer. I guess this phone really is a low-use device

No I didn't notice anything blueish... It is fine by me
Sent from my C1905 using XDA Premium 4 mobile app

Here are two pictures
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They were taken at 19:30 , at let's say low light. (Sorry for double posting. I couldn't attach pictures after editing the above post )
My Xperia M has a NyanCat boot animation

Yeap,still there.
Not sent from my Xperia.

Well, there's no more bluish tint in my camera in JB 4.3.
But, if it still bluish, try to use other camera software :fingers-crossed:
If it really still bluish, well you need to go to service center :silly:

Bug is still there but not so common. This bug can be easly "enabled" via few steps:
1. Find place with weak light source
2. Open camera - everything is fine
3. Cover camera lens with something for few seconds
4. Uncover it - everthing is blue

For me it happens with JB 4.1.2 with certain types of indoor light and background. Often I would be at a restaurant and take pics of my girlfriend with the white balance set to Auto and the whole pic is bluish. Changing the White Balance to fluorescent then fixes it. Have duplicated this blue tint problem at many locations and backgrounds. My girlfriend also has an Xperia M with the same problem so I know it's not my phone specifically plus this problem has been talked about many many times on this and other forums.
Using another camera app does not help (I tried at least seven different ones). But I chose Snap Camera due to the ability to place a quick toggle for the white balance (so not to get blue freakin pics all the time)

How to fix this Yellow and RGB lines on camera ?

Guys I'm on the latest UL-Z00A-WW-2.19.40.22 stock ROM .
ZE551ML 64GB version but I notice the camera are very bad on screen on
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And I already follow this Fix but nothing happen ?
If the problem re-appears recommend to use ZenUI app called ASUS Support. For helpful tips with basic troubleshooting techniques on this device please go to Apps/ASUS Support/Assistance/Camera/Abnormal photo color . Please follow step by step troubleshooting methods.
Sincerely,
ASUS_USA
Click to expand...
Click to collapse
Any of your guys got this bugs too ?
So any idea guys ? Feel a bit disappointed with Asus

No solution guys ?
Damm i miss my LG G3

I don't see any issue with my phone. The 2nd ss is zoomed?
Try updating the app and use another camera app. Post here if another camera app gives the same results.

aziz07 said:
I don't see any issue with my phone. The 2nd ss is zoomed?
Try updating the app and use another camera app. Post here if another camera app gives the same results.
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Click to collapse
Thanks for the reply
I already updated the app earlier but the bugs still there
And the 2nd photo are screen shoot to give u guys an idea the view on my camera screen ( yellow lining ).
Note : I try to hard reset but the bugs still there

Could be a hardware issue. Send it back for a replacement if it's within your entitlement.
Sent from my ASUS_Z00AD

But the camera take good image photo in good lighting condition 1st Attachment
The yellow (lining) appear on the screen when in low light 2nd Attachment (take with screen shoot)
Can any one confirm again to me ur phone didn't have this kind of bug ? before i sent it to repair

mccmjoon76 said:
But the camera take good image photo in good lighting condition 1st Attachment
The yellow (lining) appear on the screen when in low light 2nd Attachment (take with screen shoot)
Can any one confirm again to me ur phone didn't have this kind of bug ? before i sent it to repair
Click to expand...
Click to collapse
You are right, I could tell from experience that it performs indeed much better in light than dark conditions. I think the yellow lines is because you are filming a white background in a dark area.
Also, try taking a picture of another background color e.g. blue or anything other than complete white. Post here so we can see.
p.s: Did you try another Camera App like Google's? Let us know.

@mccmjoon76 i am also facing same issue ... Did you got any solution ? is it a hardware issue or Software ?

Sagarvaghela said:
@mccmjoon76 i am also facing same issue ... Did you got any solution ? is it a hardware issue or Software ?
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Sadly not yet
Waiting for the next update than see how .
Seems to be the Build issue . Not the Phone .

Check if changing antiflicker settings in the camera helps
Sent from my ASUS_Z00AD using Tapatalk

My Pixel 2xl has yellowish tint after Android pie update

I was pretty much sure it happened with Android pie update because when I booted the phone for the first time it looked pretty fine when I updated to Android pie the whites become so Yellowish is there any other person who is facing the same issue

Have you checked if night light is on?
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Sent from my Pixel 2 XL using Tapatalk

Checked it thoroughly !
When I booted for the first time it looked pretty fine on Android 8 immediately when I updated to Android pie it suddenly got a yellowish tint I know Google tweaked the brightness slider value ...but that doesn't mean that display should have a yellowish tint ! So I don't know whether its with all devices out there just want to confirm ..because the sunlight legibility is damn poor

Just to clarify, Night Light is definitely off right? Because your reply is talking about the brightness slider.
lonerwolf said:
Checked it thoroughly !
When I booted for the first time it looked pretty fine on Android 8 immediately when I updated to Android pie it suddenly got a yellowish tint I know Google tweaked the brightness slider value ...but that doesn't mean that display should have a yellowish tint ! So I don't know whether its with all devices out there just want to confirm ..because the sunlight legibility is damn poor
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Sent from my Pixel 2 XL using Tapatalk

Bet the night light is on.

The night light is off I'm damn sure ....I've checked everything ... And if the night light is on the screen looks very much unusable the yellow tint is so aggressive ....
Ive checked each and every setting ....every time I use the mobile I feel there is an yellowish tint all over and the whites are not looking white

Well that's the first time I'm hearing of a yellow tint after an update.
lonerwolf said:
The night light is off I'm damn sure ....I've checked everything ... And if the night light is on the screen looks very much unusable the yellow tint is so aggressive ....
Ive checked each and every setting ....every time I use the mobile I feel there is an yellowish tint all over and the whites are not looking white
Click to expand...
Click to collapse
Sent from my Pixel 2 XL using Tapatalk

lonerwolf said:
The night light is off I'm damn sure ....I've checked everything ... And if the night light is on the screen looks very much unusable the yellow tint is so aggressive ....
Ive checked each and every setting ....every time I use the mobile I feel there is an yellowish tint all over and the whites are not looking white
Click to expand...
Click to collapse
Screenshots/pics will help a lot

when you go to the "night sight" settings in Display, can you move the slider under "intensity"? If you can, then it's enabled regardless what it may state. But it does seem -- if you are so certain -- that the system has permanently enabled it, even if it's showing off and disabled. Phone reset and/or reloading a Full Factory Image would relieve this, although losing settings and customizations isn't appealing -- you can backup everythiing (nandroid especially if rooted), but losing anything is only at risk when doing the phone reset and not reloading the Full Factory Image. I'm worried though that if it's a set setting, running the "flash-all" without the -w will retain such settings...

N975F I have yellow tint shad in my LCD

N975F I have yellow tint shad in my LCD what is the issue, can I fix it.

farhan_ali790 said:
N975F I have yellow tint shad in my LCD what is the issue, can I fix it.
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It sounds like you have the blue light filter cranked all the way up.
Go to SETTINGS > DISPLAY > BLUE LIGHT FILTER.
If you don't want to use it at all, turn it off.
If you do want to use it, turn it on then, tap it to bring up the opacity slider & "Turn on now/Turn on as scheduled" options.

its not a blue light filter the yellow thing the center of the screent.

farhan_ali790 said:
its not a blue light filter the yellow thing the center of the screent.
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You're speaking as if we can all see your issue/experiencing the same problem.
A screenshot or, a pic would probably get more looks......

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We all have it, but it is only visible when a dark theme is applied. It is no defect at all, just the way the display is built.

cachanilla86 said:
We all have it, but it is only visible when a dark theme is applied. It is no defect at all, just the way the display is built.
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I see nothing resembling the OP's display yellowing on my Note 10+5G. I've been using mine as a daily driver for over six months & no kind of uneven coloring whatsoever. (Using dark mode)
At minimum, I'd suggest the OP contact Samsung customer service for troubleshooting, if not offer a replacement, if the phone is still in warranty.

cachanilla86 said:
We all have it, but it is only visible when a dark theme is applied. It is no defect at all, just the way the display is built.
Click to expand...
Click to collapse
Not normal. It's either an overlay or theme goof up... or hardware.
Could be "burn in" if it was a demo.
Start by testing OLED screen and drivers with Screentest:
https://play.google.com/store/apps/...+test&pcampaignid=APPU_1_Adw7X7S2KsnKswWP045I
If it's doing it on Screentest you'll need to send it back. You can try clearing the system cache, vid driver data and a hard reset but I doubt that will help.
Samsung Tech Support over the phone is worthless other than to return a device.

Maybe try jscreenfix ¯\_(ツ)_/¯

Don't think it's any the playstore anymore, though a quick apk search will do the trick

Yeah mine doesn't have that, had them over a year, use dark theme too.
It looks like burn in, pretty severe.

cachanilla86 said:
We all have it, but it is only visible when a dark theme is applied. It is no defect at all, just the way the display is built.
Click to expand...
Click to collapse
That's not normal. I'm running the dark mode and I don't have that yellowing in the center.
Sent from my SM-N976V using Tapatalk

Yeah it's not normal had mine since launch and use dark theme but never had that.