Database Develop

Bleeding/ghosting on the screen

I got a Nexus One last week and have a question for other Nexus One owners: has anyone noticed any weird "bleeding" or "ghosting" on the screen (not sure what to call it)? In the browser, I have noticed that, for example, if there are colored pixels on one row of pixels, the entire row of pixels seems to be slightly discolored. If I rotate the phone and hold it in landscape mode, the same things happens but then it is vertical instead of horizontal (that is, still *rows* of pixels going across the short side, not the long side).
Here is a crappy picture I made with the most noticeable parts highlighted:
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"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
That was taken while I was viewing this page, in case you want to check yourself:
http://en.wikipedia.org/wiki/Google_maps
(normal, not mobile Wikipedia!)
Anyone else seeing something like this? Other than this, I LOVE the phone and would really hate to have to send it back.

Sure do
I never noticed it until i saw this. But sure enough when i opened the browser it had the same thing on the page that i was already on.

have the same prob and im positive everyone else does. Its a software problem as zooming in, everything is all sweet. So there will prob be some kind of fix in the future. Nothing bad enough to send in the phone.

It might be a software issue, but it shows up in every program it seems - if you look hard enough!

Hmm, HTC now wants me to send in the device. Anyone else see this? I don't want to send in the phone and just get another that has the same problem.
Try loading this and look at the background when you are zoomed all the way out:
http://herzeleid.com/n1/test.html

ive already told u. we all have this problem. if it bothers you that much send it in.

I tried really hard to look for this on my N1, but couldn't see it. I have better than 20/20 vision so that shouldn't be a problem
Anyways I looked long and hard in both portrait and landscape and couldn't see anything wrong.

u need to fully zoom out to see it. and like i said its a software issue.

I did zoom all the way out, no dice. Not using the stock browser though.

I live in Germany so I would really like to avoid sending the phone back if possible, since I would have to send it to a friend, etc.
If this is a software issue, I can deal with it since it can be fixed. It happens even outside of the browser though, so I don't think it is (only) a zoom issue. For example, I can see it in the Facebook program. On the Facebook home screen, there are 6 icons, with lines below them, and then text below that (see here if you don't know what I mean). I can see this discoloration between the lines. The "~" in the following diagram represents pixels that are not the same color as the pixels directly above or below:
Code:
(Icon) (Icon)
----------~~~~~~----------
News feed Friends

download dolphin browser and see if u still have the same problem

I see the same effect there.

i dont see it .. normal browser zoomed all the way out ... o well i guess im lucky

Confirmed; I see the same effect. Also on this live wallpaper:
The white stripes in this wallpaper will show the same thing. I'm going to guess that this is the case for all N1s.

Response from HTC:
After performing the test you recommended, I noticed a small difference similar to what you described. The difference I noticed was that there seemed to be a lighter colored line of pixels on the same row as where it says Advertising Programs, Business Solutions, and About Google--essentially what you mentioned. However, this line remained with that row when i scrolled the page up and down, and was also no longer present when the device was turned to landscape mode. It was not something I would describe as a bleeding, either, as this is the only row it happened in. However, I noticed many more lines when I checked the Google News page. When I adjusted the brightness to what I would consider a normal, high brightness, I had to look very closely to see the lines, but I could still faintly see them. When comparing it with the screenshot you included, it does appear to be the same type of issue. As such, I think you are right; it is apparently a limitation of the display. As for if anything can be done, the lines become much less noticeable if the brightness is turned up on the screen; there is unfortunately not anything else that can be done as it is a matter of the hardware. I do apologize for any inconvenience you may have experienced, and I thank you for pointing this out, being patient, and helping to test this theory with the test and the screenshot you provided.
Click to expand...
Click to collapse
(I told him to check www.google.com, the row with "Advertising", etc. is just the bottom row of links there.)
:/

Ahh yeah, I've my brightness turned down at the lowest (I find higher settings blinding--this is quite a screen). Turning it up does lessen the effect, but not make it disappear completely.

It was my understanding that is was just an issue/limitation of current AMOLED screens.
Just like an LCD screen looks bad when you view it from the wrong angle.
All N1s have the 'problem'.

GlenH said:
It was my understanding that is was just an issue/limitation of current AMOLED screens.
Just like an LCD screen looks bad when you view it from the wrong angle.
All N1s have the 'problem'.
Click to expand...
Click to collapse
My understanding too, there was another thread on here somewhere where someone said the same and seemed to know what he was talking about.
That said I cant see the problem on my screen, though that could be my eyesight though.

Its probably due to the unusual layout of the rgb pixels. I can now see it on Google home page in classic mode zoomed out.
No big deal. Perhaps their scaling algorithm was designed for an even RGB distribution, unlike AMOLED's. Its still readable, which is all I care about. Of course, I never really "read" a web page at that zoom level anyways.

Thank you for posting this on XDA. I have posted the same issue since day one on these sites.
nexusoneforum.net/forum/nexus-one-tech-issues-bug-reports/373-nexus-one-streaky-screen-issue-please-post-here-if-you-got.html
google.com/support/forum/p/android/thread?tid=774a196159681fa2&hl=en
The consensus from both forums is that it's the nature of the beast of an AMOLED screen. Which is disappointing. The screen is my only complaint about the phone. I have to keep it at 100% brightness not to see them. Which gives me about 2 hours of battery life.

2x SGS (I9000) - 2x different screen colors? Please Help

I have a serious issue with the color repdoruction of two galaxy s units.
I have bought two used SGS i9000 phones but they do not produce the same colors, and I have warrenty for only one of them!
I have installed Slim ICS 4.2 on both of them to eliminate any rom issues.
Please see the attached images. The thing is, also I dont know which one actually has the correct color? I would definetely prefer the one with the dark tone, but maybe the one with the grey tone has the correct color reproduction?
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"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
It should be very obvious they do not produce the same colors.
I have checked in the device settings that brightness is the same, and that there is no difference in DNIe and color reproduction setting.
Could there be a difference in the display types or what the hell is going on?

Are you sure that the other device is not Galaxy SL because it has LCD screen not amoled

Do you mean the one with the "light" or "dark" tone?
How can you see the difference between the LCD and Super Amoled screen?
I just checked the one with the "light" tone and it is definetely a GT-i9000 (checked under the battery).
The other one I dont have at hand atm, but im 99,999% sure it is also GT-i9000 (I recall i checked under the battery when purchased).

If both devices are i9000 then i reckon there are some color tweaking problems.
Have you checked the "Device Settings" in your settings? This opens up the AriesParts.apk (aka Galaxy S Settings). Have you tried to play around with the Gamma Bar?

abobobilly said:
If both devices are i9000 then i reckon there are some color tweaking problems.
Have you checked the "Device Settings" in your settings? This opens up the AriesParts.apk (aka Galaxy S Settings). Have you tried to play around with the Gamma Bar?
Click to expand...
Click to collapse
I have checked that both screen settings are exactly the same, i.e. as in default settings. In "color tuning" red,green and blue are set to 1.000 and red-,green-,blue gamma is set to 0.
But you are correct in tweaking the gamma bars can adjust the screen display to look more like the other (the dark one).
I just don't understand why they dont give the same output with the same settings.
Which one of the phones does your screen display look like?

mcmanuf said:
But you are correct in tweaking the gamma bars can adjust the screen display to look more like the other (the dark one).
Click to expand...
Click to collapse
The current screen condition I.e. Washed out colors made me think of one and one thing only. "Gamma"
It was very obvious that the Gamma was somehow increased beyond the default value, hence the washed out screen.
Just tweak it to make the colors look darker and you'll be fine.
mcmanuf said:
I just don't understand why they dont give the same output with the same settings.
Click to expand...
Click to collapse
Yea it even made me curious.
Did you check the colors on a Gingerbread firmware? (The stock one, not a modified one) Are they same i.e. washed out on that too?
So far, thats the first case i have seen like that. So i am sure its more related to some drivers problem and NOT with the phone itself.
mcmanuf said:
Which one of the phones does your screen display look like?
Click to expand...
Click to collapse
I am not sure.
But its certainly not washed out.
If i were to make a choice then i would say that mine looks like with Darker color tone.
Again, i can make it even more darker by tweaking the colors.
-------
Lastly, for my curiosity, kindly adjust the colors using Device Settings and reduce the Gamma. Post another picture after that. I would love to see some results

I actually reinstalled stock gingerbread and the colors seems to be correct here ???
Very strange indeed I must say!

@mcmanuf intresting URL:http://billedeupload.dk/images/m6qdL.jpg Process:C:\Program Files\Google\Chrome\Applicati... Infection:URL:Mal

looks like you got a similar problem, please check if pictures view normal for you and tell me how old the device displaying pictures wrong is to maybe confirm my point
http://forum.xda-developers.com/showthread.php?t=1784735

Beasy30 said:
Same problem here with my Galaxy S and my brother's Galaxy S
So what can I do? I prefer the dark one (my brother's Galaxy S)...
Click to expand...
Click to collapse
There must be something different in the displays and I dont think the drivers in AOSP supports both displays. Even though they are both AMOLED, there must be a driver difference between the two devices that I have and that you have.
Why would we otherwise have the correct colors in GB for both devices, but wrong colors in ICS?

darkcheater said:
looks like you got a similar problem, please check if pictures view normal for you and tell me how old the device displaying pictures wrong is to maybe confirm my point
http://forum.xda-developers.com/showthread.php?t=1784735
Click to expand...
Click to collapse
I know the one with the wrong colors was bought 25/7-2011. So it was also probably manufactured also much later than the first batches of SGS which were shipped june 2010, so they could have used other displays, although still AMOLED.
The device producing the correct colors is definitely older.
I don't really know how to check when the display was produced.. How can i check that?
And also how did you send it in for warrenty. You also said the colors looked fine in GB in your thread, so the warrenty center wouldn't approve if you came in with ICS on it?

I have the exakt same problem with my i9000. It's from 2011 aswell. Must be a new display, which is not playing very well with drivers in AOSP.
No matter how much you tweak the gamma values, you can't get it right. VC or CM color, doesn't matter. CM is a little better.
No solution yet?
Is there no way of pulling the correct drivers from GB and use them in 4.x.x rom, or something like that?

Hello
I had my Galaxy S screen replaced and it's different indeed, seems there are different Amoled displays.
My phone was bought in Feb 2011 and I have CyanogenMOD 9 installed with Semaphore kernel
No new modifications have been done to the firmware and yesterday I had a Samsung Service Centre install a new screen for me, screen was original and I saw all the process. Now my phone's screen seems to a bit darker, like if the contrast was different and the colors aren't fully right
So I guess it¡s true and there are different revisions of the screen that seem to look different on custom roms
I don't have the GB stock to test

[MOD] [APP] Vsharp 11/16/15

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"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
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"lightbox_toggle_sidebar": "Toggle sidebar"
}
This application will allow you to adjust your displays sharpness value on the fly. Default is set at 4 but has an adjustment value of 0 to 99. Choose your amount of sharpness with this app.
Vsharp is built on Tasker for the device and on the device. Tasker is not needed to run this application. This app is currently in BETA. More features and adjustments will be added in the future. If you have an issue let me know.
CURRENT ISSUES.
Don't open the app after a reboot till it notifies you it's value is restored after a reboot. Again this is BETA and is work being done on getting it resolved.
REQUIREMENTS!
Must be rooted.
Must have busybox.
Must have SeLinux set to permissive.
HOW DOES Vsharp work?
It adjusts /sys/class/panel/img_tune/sharpness
DOWNLOAD
Version 1 BETA
https://www.androidfilehost.com/?fid=24269982086998092
Any issues or questions let me know!

TASKER SOURCE CODE
DOWNLOAD
https://www.androidfilehost.com/?fid=24269982086998106

Future2

Nice razz. Be interesting. Do have one question. You say built on tasker. Do we need tasker installed? Its not on the list but you put a link in 2nd op so I just wanted to double check.
Thanks again
Sent from my non-Mega loved v10 H901.

Zugshad said:
Nice razz. Be interesting. Do have one question. You say built on tasker. Do we need tasker installed? Its not on the list but you put a link in 2nd op so I just wanted to double check.
Thanks again
Sent from my non-Mega loved v10 H901.
Click to expand...
Click to collapse
No. You don't need Tasker to use Vsharp. Vsharp is a stand alone application built on tasker using the Tasker app factory.
I just posted the source in the second post to show the work if someone wanted to look at it or modify to their liking

Actually my biggest complaint about the display isn't actually the stock sharpness setting of 4, but the gamma. The gamma on my V10 is off a considerable amount and I'm losing detail in dark scenes. It's definitely not around the more standard gamma value of 2.2
I hoping to tune that up in the future also with this app.

Anyone has this confirmed to be working? ^.^
Will love to add it to the Index with confirmation

mgbotoe said:
Anyone has this confirmed to be working? ^.^
Will love to add it to the Index with confirmation
Click to expand...
Click to collapse
Confirmed.
Sent from my LG-H901 using Tapatalk

Isn't Tasker awesome?! Gonna try this out.
Update: Well it definitely appears to be doing something but I have no idea what I'm doing. Off to read some articles about sharpness before the Super Bowl, I suppose. Go Panthers!

A little confused on what exactly this does? Is this to fix that grainy look when taking pics or something?

baySF said:
A little confused on what exactly this does? Is this to fix that grainy look when taking pics or something?
Click to expand...
Click to collapse
It's just like setting the sharpness on your tv. It should not have any effect on taking a picture. If you see some grain effect in a pic its completely unrelated to this mod. What your experiencing is noise in a dark scene which is typical of a small, high pixel count camera sensor.
When taking a picture, try to use the lowest ISO setting possible. In a dark scene the ISO will need to be greater for a properly exposed pic. This is when you will experience the most noise.

razz1 said:
It's just like setting the sharpness on your tv. It should not have any effect on taking a picture. If you see some grain effect in a pic its completely unrelated to this mod. What your experiencing is noise in a dark scene which is typical of a small, high pixel count camera sensor.
When taking a picture, try to use the lowest ISO setting possible. In a dark scene the ISO will need to be greater for a properly exposed pic. This is when you will experience the most noise.
Click to expand...
Click to collapse
okay thanks for clearing this up. Yeah I can definitely see the noise when using snapchat and it's annoying. Thought this mod was related to the noise and was gonna try it out. Thanks though!

I thought there is no working root on LG V10 yet?
Gesendet von meinem LG V10

Anyone have a set of values to go of as a start?
Sent from my LG-H900 using Tapatalk

greekunit690 said:
Anyone have a set of values to go of as a start?
Sent from my LG-H900 using Tapatalk
Click to expand...
Click to collapse
I personally set it to 0 as there really isn't any need for sharpening. It just introduces noise in the display.

SWEET! Thanks for this! I was really bummed that the screen on the amazing V10 was not as sharp as my G3. Now its just as sharp. (doesn't seem to affect the second screen, but don't care)
I set it to value 30...anything more and it doesn't seem to do anything. Also, setting to max, 99, upon reboot is goes back to 0.
EDIT: So.....maybe an issue. The sharpening effect dies when i launch some apps, like Gallery. I then go back into the VSharp app and its reads the value and its back to 4..like it was overridden by the system.
Edit: Removed Gallery, Switched to Google Photos app. Doesn't instant kill sharp effect when that app is used.

Sharpness not sticking after screen off.
I definitely am noticing that any sharpness value is not sticking/being re-applied when the screen shuts off/locked or goes to sleep.
I go back into the app, and it reads the current value and it says what i set it to (30), but when i toggle it up or down, I can instantly see the example bars sharpen up, which proves it was off then was re-applied when I toggled the value.
I tried setting the app to ignore battery optimizations in system settings, thinking maybe the OS is killing the app in the background, but that has no effect. I also tried disabling the lock screen entirely, no change.
Any ideas? I do have other things like Xposed, App settings (530 dpi set on certain apps), Gravity Box, and G4 TweakBox installed....but none of them have any display mods enabled.
Any way to make a widget or something i can one-press to toggle the value and re-apply....vs having to use the app every time I want the screen sharp after it goes off.
Edit: Is this app supposed to may a dozen and more "Subsystem/img_tune/" directories in /sys/class/panel/...all inside of each other.
Is there a way to just change the sharpness file and lock it to read only o that it can be overridden...I have tried setting permissions using root explorer to read only...but it still get overwritten at reboot..and eventually by system.

Do i need to set selinux every time i reboot and app runs?

Question Does flickering issue exist on everyone?

I read a comment on gsm arena that an owner experiences the flickering issue of the device at high brightness. Is it the same to other owners?

I have that too, and I've watched a review video where the same issue got mentioned.

The flickering is in most probability a software issue. I figured that it was due to the Auto color scheme in Settings > Display.
I would recommend changing the colour scheme to your preference under Settings > Display and disable auto Coloring.
Hope it helps!

kalpak2021 said:
The flickering is in most probability a software issue. I figured that it was due to the Auto color scheme in Settings > Display.
I would recommend changing the colour scheme to your preference under Settings > Display and disable auto Coloring.
Hope it helps!
Click to expand...
Click to collapse
Tried it , doesn't work seems to work. flickering still exits especially on nightmode, switching to 60hz somewhat reduces it significantly
Also is it just me or the grey background in nightmode of apps like chrome , playstore etc seems uneven (like a reddish tint is present) at places at low brightness. Also on video playback at lowest brightness the reddish tint is present. Can anyone confirm?

I had no flickering after disabling auto colour scheme so far (I've only used it for a couple of hours though and even with auto on it's not that frequent). I don't see a red tint in dark mode.

Shunsen said:
I had no flickering after disabling auto colour scheme so far (I've only used it for a couple of hours though and even with auto on it's not that frequent). I don't see a red tint in dark mode.
Click to expand...
Click to collapse
Correction: I've noticed a reddish tint in dark mode in Google Discover. It affects only the upper and bottom parts of the screen, the middle looks fine. In some other apps (like Gmail) it only appears at a very specific brightness setting. It's not visible under the lowest setting, but once I increase it a tiny bit the tint show, and with another tiny increase it disappears. Also, its only at 120Hz, when I switch to 60Hz it's fine.

This is called Pwm flickering or pulse width modulation, when brightness is lower then 60/65% flickering appear.. with every step in lowering brightness flickering increasing. Dc dimming is only solution to prevent screen to flicker.

I haven't noticed any flickering on my Note 10 Pro, not even on 120Hz and low brightness. I did notice the uneven colors on top and bottom parts of the screen, on lowest brightness there is a strong reddish tint if using 120Hz, as I showed in another post:
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"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
and on all other brightness it's still present but not as strong and it's greenish instead of reddish. It becomes less noticeable the higher the brightness but it still makes the whole screen look greenish.

TotallyNotAPigeon said:
I haven't noticed any flickering on my Note 10 Pro, not even on 120Hz and low brightness. I did notice the uneven colors on top and bottom parts of the screen, on lowest brightness there is a strong reddish tint if using 120Hz, as I showed in another post:
and on all other brightness it's still present but not as strong and it's greenish instead of reddish. It becomes less noticeable the higher the brightness but it still makes the whole screen look greenish.
Click to expand...
Click to collapse
Yes the greenish tint is present in majority of apps . It reduces to an extend by disabling "adjust text and background automatically" in dark mode settings.
And for the Flickering , perhaps try playing any videos on chrome browser at 120hz at low brightness.It flickers like crazy for me

aswink said:
Yes the greenish tint is present in majority of apps . It reduces to an extend by disabling "adjust text and background automatically" in dark mode settings.
And for the Flickering , perhaps try playing any videos on chrome browser at 120hz at low brightness.It flickers like crazy for me
Click to expand...
Click to collapse
Now I do see the flickering, but only if I watch youtube on chrome. The flickering is not present on the youtube app so maybe it can be fixed with a software update?
Thanks for the advice on the "adjust text and background automatically", it does improve the image at the minimun brightness (though it still looks quite bad on 120Hz...).
The thing that I actually found have helped more with the greenish tint is using the colors on "automatic" instead of Standard. I usually use standard because it's more faithful to the original colors and the automatic commonly gives a blueish tone but this blue tone masks the greenish tint, making it good enough at 60Hz that I don't notice it. On 120Hz it still looks too greenish at low brightness.

For me it only flickers when I change the screen orientation or pause/play the video, never during (in Chrome). Regarding the green tint, I agree that the automatic colour scheme makes it better, but actually enabling, not disabling, the "adjust text and background automatically" reduces the tint even more for me (it's actually more helpful than going from automatic to standard colour scheme). I do think it's mostly a software issue.

I didn't notice any flickering or color shifts so far.
120 Hz
Color scheme: Standard (custom)
Dark mode (adjust text and background automatically enabled)
Reading mode disabled
No flickering when viewing youtube on the Duckduckgo browser even with low brightness. I don't use chrome

shamo42 said:
I didn't notice any flickering or color shifts so far.
120 Hz
Color scheme: Standard (custom)
Dark mode (adjust text and background automatically enabled)
Reading mode disabled
No flickering when viewing youtube on the Duckduckgo browser even with low brightness. I don't use chrome
Click to expand...
Click to collapse
I also have no problem
rom: V12.0.10.0.RKFEUXM

i thought i'm the only one having this screen banding issue when playing youtube on chrome

Download the app activity launcher and search for antiflicker mode. It's a hidden setting in miui for our device. See if it helps for you

FakedAce said:
Download the app activity launcher and search for antiflicker mode. It's a hidden setting in miui for our device. See if it helps for you
Click to expand...
Click to collapse
Videos played on Chrome still flicker a bit when changing screen orientation, but it's less noticeable. Thanks for the tip!

it has todo with the video I always watch food tour video and when the camera do transition or too much wiggle you can clearly see flicker quite annoying tbh

hello, none flickering or tint on my rn10pro...i have the rom 12.0.10 eu, my settingsare standard color and hot temp...

tofclaire said:
hello, none flickering or tint on my rn10pro...i have the rom 12.0.10 eu, my settingsare standard color and hot temp...
Click to expand...
Click to collapse
Maybe it's fixed is 12.0.10. I am on 12.0.6

I was on 12.0.6 and 12.0.10 Global, and now on xiaomi.eu 12.0.6 and there's no difference.

Question White dots appearing in long exposure shots on Redmi Note 10 Pro Max (S-30, ISO-6400)

Need help to fix this issue with long exposure shots on my Redmi Note 10 Pro Max. I recently bought the phone and today when I tested long exposure shots it showed white dots in all the pics with same settings, higher the ISO, more clearly the dots were visible.
What can I do to fix this issue?
I attached 2 shots below that I took in complete dark room after cleaning my lens carefully, and for extra precaution I point the camera towards a black surface closely. These are clicked with "Wide" camera in pro mode with Shutter Speed : 30 and ISO : 6400, when I reduce the ISO, they dots fade away a bit. Ultra Wide camera produces similar results.
I even downloaded ProShot app to check if it does any good but, same dots at same place were visible.
These 2 are taken by system camera app, using above given setting (S-30, ISO-6400)
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"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
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Sniper God said:
Need help to fix this issue with long exposure shots on my Redmi Note 10 Pro Max. I recently bought the phone and today when I tested long exposure shots it showed white dots in all the pics with same settings, higher the ISO, more clearly the dots were visible.
What can I do to fix this issue?
I attached 2 shots below that I took in complete dark room after cleaning my lens carefully, and for extra precaution I point the camera towards a black surface closely. These are clicked with "Wide" camera in pro mode with Shutter Speed : 30 and ISO : 6400, when I reduce the ISO, they dots fade away a bit. Ultra Wide camera produces similar results.
I even downloaded ProShot app to check if it does any good but, same dots at same place were visible.
These 2 are taken by system camera app, using above given setting (S-30, ISO-6400)
View attachment 5534839View attachment 5534837
Click to expand...
Click to collapse
Which ROM and which cam?

ROM : MIUI Global 12.5.10 Stable and Camera : 108 MP, 5 MP, 8 MP, 2 MP and in depth details added as attachment.

Ping for @Laptapper
Mentioned the device details in the above reply.

That's hot pixels and/or noise. That's pretty much normal on any digital camera, especially on longer exposures and higher ISO. How much they're shown in the final image depends on noise reduction used - the less (less aggressive) noise reduction, the more they will be visible.

@Case_
Firstly thanks for helping out! And got what you're saying, so just wanted to know in my case, as I am on an android device, what measures can I use to fix this? Any third party app that'll process images with more noise reduction? Or maybe any way to change default settings of system camera app? Can't always switch to post editing to fix this, as it'll be tricky too.

@Sniper God I would start by not shooting 30 second ISO 6400 shots That can be a tall order even for a DSLR, let alone for a phone camera.
GCam ports have noise profile and noise reduction adjustments if you're willing to tinker. I think I saw a hot pixel removal setting there too. Also I've used the mobile Photoshop before for noise reduction. Other than that, I only ever use Snapseed for some light photo editing, but it doesn't have noise reduction (or I don't think it does, at least).
But yeah, as silly as the advice to not shoot shots like that might seem, that's honestly one of the best advices in photography in general - if your camera has some shortcomings, either take advantage of them and use them to improve the shots (which in this case is kinda hard), or work around them so the affect your shots as little as possible.

Case_ said:
@Sniper God I would start by not shooting 30 second ISO 6400 shots That can be a tall order even for a DSLR, let alone for a phone camera.
GCam ports have noise profile and noise reduction adjustments if you're willing to tinker. I think I saw a hot pixel removal setting there too. Also I've used the mobile Photoshop before for noise reduction. Other than that, I only ever use Snapseed for some light photo editing, but it doesn't have noise reduction (or I don't think it does, at least).
But yeah, as silly as the advice to not shoot shots like that might seem, that's honestly one of the best advices in photography in general - if your camera has some shortcomings, either take advantage of them and use them to improve the shots (which in this case is kinda hard), or work around them so the affect your shots as little as possible.
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Got it, but I've been trying to shoot with nearly same settings using different phones, and none of them reflected any issue like this. I think I should try resetting the phone or otherwise get to the service center as it is under warranty period. It even does this with inbuilt long exposure shot settings that are made to shoot stars and light painting.

It all depends on noise reduction algorithms and settings used. Many phone cameras are pretty aggressive in that regard, so things like these will rarely show up. Though it can also differ literally sensor from sensor, even on a same phone model, to a degree at least.
It is also IMO more likely to show up using settings made for astrophotography, because those are likely to have the noise reduction set pretty low to make sure it doesn't remove too many stars and smudge the sky too much.
I would seriously doubt a factory reset will change anything. But, I mean, you've got little to lose by trying that. And returning the phone is certainly your customer right if you're not satisfied with it.
BTW, out of curiosity, I just tried it on my phone. I got roughly the same amount of hot pixels as you did. Which, frankly, is impressively low for a phone camera as far as I'm concerned I'm pretty sure I'd get the same or more if I shot a 30s ISO 6400 exposure with my DSLR. I don't normally even use ISO 6400, I even try to use ISO 3200 as a last resort.