Database Develop

Nexus One Screen Interference from wifi/data

I didn't know how to search this so here is my topic. Lately I've noticed when the WiFi or 3g/2g is receiving or sending data my screen will show a strange flickering interference but it is only noticeable when the browser has a pure white or other light color background, and even then its hard to see. Nothing malfunctions just wondering if anyone else has the problem. BTW this happens no matter what kernel/Rom I'm using.

honestly I have never had this issue

i've never seen this but i will start looking for it now. great, all we need is another minor bug to irritate us.

Sellitus said:
I didn't know how to search this so here is my topic. Lately I've noticed when the WiFi or 3g/2g is receiving or sending data my screen will show a strange flickering interference but it is only noticeable when the browser has a pure white or other light color background, and even then its hard to see. Nothing malfunctions just wondering if anyone else has the problem. BTW this happens no matter what kernel/Rom I'm using.
Click to expand...
Click to collapse
How you could have solved this problem?
The same thing happens to my me and not if to warn to the technical service.
Thanks and sorry about my english, i'm from spain

Screen washed out after playing video

Anybody else noticed that the screen is washed out/blown out sometimes after a video plays (mainly Netflix, maybe)? It seems to be a combination of increased brightness and decreased color saturation, making colors seem... well... washed out. It goes away after either shutting the screen off and on or switching to another app. I think. I haven't found the pattern yet.
I'm guessing it's Nvidia's Tegra 3 PRISM tech at play, and it's just not shutting off after the video app is closed. I'll expect a software fix at some point, but just want to see if anyone else is experiencing it.

Well son of a b... that is what is causing my washed out colors and gamma. I noticed it seemed to come and go. Unfortunately it never seems to completely clear up for me, even after going to other apps.
I tested this with the Transformers movie. After playing that a few seconds, I left and noticed the home screen looked really saturated, then went to the browser, and it was the same.
For me going to another app doesn't seem to clear it up, but it does clear up partially after a period of time. And maybe it might be my imagination, but it doesn't seem like it really ever goes back to normal until I reboot the tablet.

next to my work ipad.. the colors seem really blown out. =\ also there seems to be a video stutter / jittery issue during the panning effect. Played it side by side with my S3 and the s3 can render it just fine. What gives?

Haven't noticed anything like that after watching videos or movie on nexus 7. display looks great 24/7

demandarin said:
Haven't noticed anything like that after watching videos or movie on nexus 7. display looks great 24/7
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Click to collapse
Have you tried the Trasnformers movie? Let it play for about a minute at least

Ravynmagi said:
Have you tried the Trasnformers movie? Let it play for about a minute at least
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Click to collapse
Ok. will do once I get off. this only happens with that movie alone?

demandarin said:
Ok. will do once I get off. this only happens with that movie alone?
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Click to collapse
No, I see it happen with YouTube and Netflix too. I was just trying to make a futile attempt to understand why this happens to some of us and not others. My guess though if you haven't seen it with other videos, the Transformer movie won't do it either.

I've noticed that it's most obvious on some screen elements, but not all. So, it's entirely possible, I think, for someone to be experiencing the effect and simply not noticing it.

I've noticed this as well quite annoying.
Sent from my Nexus 7 using xda premium

The after movie wash-out appearance was particularly noticeable when looking at small fonts on a white background. Such as this forum.

Yeah same for me! I'm on my 3rd nexus because of dust under the screen, I can't remember my previous 2 doing it. Will it be fixed by an up date doyou think? Or could it be hardware related?

Ravynmagi said:
Have you tried the Trasnformers movie? Let it play for about a minute at least
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Click to collapse
I finished watching the transformers movie this morning. Looked great to me. I can't notice any washed out colours.

I just started getting the "whiteout" too. Not from anything in particular that I can tell, it happened twice coming out of sleep mode.
Anybody have a fix? Is it Hardware or Software related?

>Is it Hardware or Software related?
Take screen cap. If cap image is likewise washed out, it's not hardware. If cap image isn't washed out, then it's more complicated.

Ravynmagi said:
Have you tried the Trasnformers movie? Let it play for about a minute at least
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Click to collapse
Ravynmagi said:
No, I see it happen with YouTube and Netflix too. I was just trying to make a futile attempt to understand why this happens to some of us and not others. My guess though if you haven't seen it with other videos, the Transformer movie won't do it either.
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Click to collapse
I tried it on all the same things you listed. Didn't notice nothing some of you described at all. Screen still looked sharp n crisp. Colors looked fine and not washed out.
Its more than likely the nvidia feature kicking in. Especially if you have brightness set up higher. Probably doing it to save battery life. I keep my brightness at 12% and its more than bright enough for me to see everything well. I heard the autobrightness likes to act up so THST could be am issue also if you have that on also. I never use autobrightness unless I take device outdoors.

e.mote said:
>Is it Hardware or Software related?
Take screen cap. If cap image is likewise washed out, it's not hardware. If cap image isn't washed out, then it's more complicated.
Click to expand...
Click to collapse
Can you give me the quick answer on how to take a screen capture on the N7? Thanks!

Just took several screenshots and swiped between the screen that was normal screenshot and the faded screenshot and they both look the same for me, which is lovely with nice rich colours. If I stick transformers on for 20 sec its washed out when I exit, as soon as I turn the screen on and off its back to normal. I just think its a bug in the screen settings when exiting a move or game. Used to happen on my PC until I updated the driver.
---------- Post added at 05:09 PM ---------- Previous post was at 05:03 PM ----------
theasp18 said:
Can you give me the quick answer on how to take a screen capture on the N7? Thanks!
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Click to collapse
You just hold the volume down button and the bower button, it will take a snapshotof the screen. I've tested it though, see my above post

I'm having the same issue too.
Happens when I watch a video on youtube, netflix or play movies. I use a brightness app to change the brightness levels and it returns to normal. I'm also getting the "screen flickering" issue described here http://forum.xda-developers.com/showthread.php?t=1740385
I really hope these issue with be fixed with an update. I'm new to android. Where's the best place to report these issues direct to Google/Asus?

>between the screen that was normal screenshot and the faded screenshot and they both look the same for me, which is lovely with nice rich colours
So it's probably hardware (display), or a combo of hardware/firmware.
Power-saving feature of Kai's PRISM display pertains to color saturation and brightness. As OP indicated, malfunction may be related to that. But it doesn't matter what the exact cause is.
It may or may not be fixable via firmware update. Suggest getting RMA process started, then sit on it for a few days to see if OTA fix happens. Don't wait beyond the return period. Make sure to ask for advance replacement if RMA.
>I just think its a bug in the screen settings when exiting a move or game.
If the issue was firmware-only, then it would happen to all units, not some. It's either HW, or HW+FW.
Edit: Suggest trying different movie players and different movies to find extent of problem.

hedosa 252.]
rhirons said:
I'm having the same issue too.
Happens when I watch a video on youtube, netflix or play movies. I use a brightness app to change the brightness levels and it returns to normal. I'm also getting the "screen flickering" issue described here http://forum.xda-developers.com/showthread.php?t=1740385
I really hope these issue with be fixed with an update. I'm new to android. Where's the best place to report these issues direct to Google/Asus?
Click to expand...
Click to collapse
So question for the community. If you're having issues with the "whiteout/washout", the ghosting and flickering... would you recommend getting a replacement or waiting for a driver / firmware update?

Nexus 7 screen flicker: a potential software fix

I think I might have a software fix for the Nexus 7 screen flicker.
Screen flickers in low brightness and when using WiFi.
To solve this I am using an app called Screen Filter.
https://play.google.com/store/apps/details?id=com.haxor[/url]
When I want to dim the screen I first turn the brightness UP and then use screen filter to lower it back to the level I actually want to use. This gives me a dim screen, and I have not notices any flickering when hitting WiFi. Does this work for anyone else?

This does only mask the problem for those that has it. It does not actually solve the problem. It has been covered multiple times in other threads.

Masssy said:
This does only mask the problem for those that has it. It does not actually solve the problem. It has been covered multiple times in other threads.
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Oh well

ive (and others) had good luck fixing minor flicker with an app called lux..see the main flicker thread for more info...
Sent from my Nexus 7 using Tapatalk 2

nolook said:
ive (and others) had good luck fixing minor flicker with an app called lux..see the main flicker thread for more info...
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Click to collapse
I had what I would consider serious flicker and using Lux immediately and completely eliminated the problem.

[Q] htc one screen problem

hi i am in the uk.. on three network. i got my htc one on the 3rd of april, and 4 days later the screen started to flicker? not all the time? but browsing? esp facebook or anything page with white? i guess the white shows up the flicker more? like i say NOT all the time but soo annoying!! not what i expected from a high end phone? Now let me just say i love this phone.. but thought i cant have this.. so i fill out support form for htc and they reply quick advising me it should not do this and to get it changed. i contact three go through the whole call centre thing (like pulling teeth) anyways the upshot was.. three sent me another brand new phone the next day (yesterday) and took back my first one. And guess what? as soon as i switch the phone on, same screen flicker? i treated the first phone like a new born baby didnt drop or bash it 4 days=screen flicker. another new phone as soon as i use it = screen flicker!! i so love this phone but im so gutted!! any suggestions from ANYONE would help.
kind regards
shep

This isn't helpful but you must just be unlucky to have had it happen twice because mine's been perfect and I've not seen anyone else on this forum mention that problem with theirs.
I guess you'll have to get a new one sent out again and hope for the best :thumbup:

Could you make a short video clip to illustrate your problem ?
Sent from my HTC One using xda app-developers app

HTC ONE screen problem!
Hi Everyone.
I bought htc one.I think It has a screen problem.
A lot of Parallel point On screen.Home screen and camera screen.Top to end of phone.Double line of point groups.
Anyone know what' s this?
I need help.
Please look the pics.

deepfresh said:
Hi Everyone.
I bought htc one.I think It has a screen problem.
A lot of Parallel point On screen.Home screen and camera screen.Top to end of phone.Double line of point groups.
Anyone know what' s this?
I need help.
Please look the pics.
Click to expand...
Click to collapse
iF, Factory reset not solving, replace. Seems hardware issue for me.
Sent from my HTC One using xda app-developers app

hi.. to be honest i dont think a video would pick the problem up? you know i could just be being a kill joy? ive watched videos etc and there really isnt a problem with that at all.. in fact the quality of the picture is fab? if i could use an analogy? remember when the volume control on your stereo would get dust in it? and you would have to twiddle the knob to cure it? its a bit like that? like i say it does not do it all the time but i notice it with white in the screen? like facebook google and when i am navigating thru the screens on the phone like settings etc? the white flickers white/slightly darker white? hence my example? now ive changed my text messages colour scheme so that doesnt annoy me now with it.. but obviously as a electronics layman.. i cant help but think if it was a problem with the screen itself, other colours would do the same as they would if there was a loose connestion? and also if it was a power flow problem with the battery? same thing? not just the white on screen? so i can only conclude as a layman again.. that it is some sort of issue with the os? screen refresh rate maybe? i just dont know? and i cant help think stupidly or not that when htc finally get around to an os update to 4.2.2 (or whatever it is) from 4.1.2 the whole thing will be resolved?

Could it be the auto brightness doing its thing? Try turning it off maybe that might solve it.
I might be totally wrong, be great if that fixed it though. Good luck

well well well!!!! And there you have it!! or at least something like that? ive always used the multi widgit for wifi bluetooth brightness etc? so i have brightness preset on that. instead ive gone into display settings, adjusted brightness with slider? no more flicker!! NO MORE FLICKER!! who ever you are!! thank you!!!!!!!!!!

deepfresh said:
Hi Everyone.
I bought htc one.I think It has a screen problem.
A lot of Parallel point On screen.Home screen and camera screen.Top to end of phone.Double line of point groups.
Anyone know what' s this?
I need help.
Please look the pics.
Click to expand...
Click to collapse
have sent pm

shep98 said:
well well well!!!! And there you have it!! or at least something like that? ive always used the multi widgit for wifi bluetooth brightness etc? so i have brightness preset on that. instead ive gone into display settings, adjusted brightness with slider? no more flicker!! NO MORE FLICKER!! who ever you are!! thank you!!!!!!!!!!
Click to expand...
Click to collapse
Was this happening when the stock power widget brightness was set to medium?
If so, I have the same flickering ( http://forum.xda-developers.com/showthread.php?t=2243483 ), but I've found out that its not the power widgets fault per se, but the the the level that it sets it to. The widget set the brightness to 33%, and that the level which I'm getting flickering at, regardless of if it was set with the power widget or by the slider. The flickering happens on screen with a good amount of white. Google search result webpage is a good test case; it shows the flickering clearly at 33%. It also seems to depend on where the white is on the screen. For example, I can induce flickering at 40% brightness by moving a light colored icon from the bottom of the screen to the top! Moving it back to the bottom causes the flickering to go away. I can also do it by moving around or resizing the Gmail widget. Flickering happens for me to some extent at brightness values between 33 and 45 under certain screen conditions. Above or below these brightness values, the screen is top notch, no endless flickering at all regardless of how much white is on screen. I'm starting to think this has to do with the dynamic contrast feature of the One. It seems as though it falls in an endless loop of trying to change the contrast, as if it cant decide on what to set the contrast to. Or it could be that the dynamic contrast is fighting for a certain brightness value, but the manually set brightness is not allowing it. I might be wrong about this, and it could just be a hardware backlight problem, regardless, I wish HTC had the Sense (ha ha!) to allow us to disable dynamic contrast if we wanted to. I'm pretty sure this is whats causing the issue where people see flickering when the keyboard pops up.

screen issue?
hi..
i had the widget set on the third setting, the fourth being the brightest. i had the same problem with my first phone and thought at the time it may have been a backlight problem? or power flow problem? i sent that phone back and the next phone did the same? after posting on here.. i removed the widget and manually adjusted the brightness. i like the screen quite bright, manual adjustment cleared the problem for me. i gotta say yep the flicker was more visible on screens with alot of white, google, facebook, texts? and way way annoying! i can only suggest you try the same as i did? perhaps it is just a quirk with the htc? or maybe the os? you never know, when the update to keylime or whatever it is called comes out the flicker may go totally?

JUST had this on facebook? hope it helps?
HTC One
HTC One : Update Available (1.29.401.12)
HTC is currently deploying an update for the new One
Version: 1.29.401.12 - Size: 229.04 MB
It includes :
- System Optimization
... - Updating Service Location
- HTC Zoe: Optimizing sound quality
- Camera: Optimizing Parameters
- Beats Audio: Sound enhancement
- other fixes
coming soon...

shep98 said:
hi i am in the uk.. on three network. i got my htc one on the 3rd of april, and 4 days later the screen started to flicker? not all the time? but browsing? esp facebook or anything page with white? i guess the white shows up the flicker more? like i say NOT all the time but soo annoying!! not what i expected from a high end phone? Now let me just say i love this phone.. but thought i cant have this.. so i fill out support form for htc and they reply quick advising me it should not do this and to get it changed. i contact three go through the whole call centre thing (like pulling teeth) anyways the upshot was.. three sent me another brand new phone the next day (yesterday) and took back my first one. And guess what? as soon as i switch the phone on, same screen flicker? i treated the first phone like a new born baby didnt drop or bash it 4 days=screen flicker. another new phone as soon as i use it = screen flicker!! i so love this phone but im so gutted!! any suggestions from ANYONE would help.
kind regards
shep
Click to expand...
Click to collapse
hi dear
i have the same problem,in the manual brightness situation, i have screen flickering in white background,do you think,htc will solve this problem with OTA update or not...
thanks

Brightness issues

I have this weird brightness problem where I have it at 50% and it would randomly dim and brighten like crazy. I tested at 100% brightness and it also dims and brightens. Obviously, I don't have it on auto brightness but it sure acts like it.
Anyone with the same issue? Is it a defect? I just got the phone today and I'm afraid to exchange it to have the same problem again. I really like this phone. There's always a friggin issue on a new phone. It's ridiculous.

neotoky said:
I have this weird brightness problem where I have it at 50% and it would randomly dim and brighten like crazy. I tested at 100% brightness and it also dims and brightens. Obviously, I don't have it on auto brightness but it sure acts like it.
Anyone with the same issue? Is it a defect? I just got the phone today and I'm afraid to exchange it to have the same problem again. I really like this phone. There's always a friggin issue on a new phone. It's ridiculous.
Click to expand...
Click to collapse
I think is a software problem. Lollipop still have lot to fix. Mines look the same. Can be a display minor isue. Not sure, but for me this phone doesn't have the best brighness at all. But I love this phone better than others for now. If you came from samsung phone, there is a big diferent in brightness. Post some screen shoot. One in a white background, and the other in a grey one. I will post the same and you tell me if something is diferent. Sorry for my grammar. Is not the best !!!!?
---------- Post added at 09:22 AM ---------- Previous post was at 09:20 AM ----------
jfernandezv said:
I think is a software problem. Lollipop still have lot to fix. Mines look the same. Can be a display minor isue. Not sure, but for me this phone doesn't have the best brighness at all. But I love this phone better than others for now. If you came from samsung phone, there is a big diferent in brightness. Post some screen shoot. One in a white background, and the other in a grey one. I will post the same and you tell me if something is diferent. Sorry for my grammar. Is not the best !!!!?
Click to expand...
Click to collapse
Do it at 50%....

neotoky said:
I have this weird brightness problem where I have it at 50% and it would randomly dim and brighten like crazy. I tested at 100% brightness and it also dims and brightens. Obviously, I don't have it on auto brightness but it sure acts like it.
Anyone with the same issue? Is it a defect? I just got the phone today and I'm afraid to exchange it to have the same problem again. I really like this phone. There's always a friggin issue on a new phone. It's ridiculous.
Click to expand...
Click to collapse
My screen shoot!!!

neotoky said:
I have this weird brightness problem where I have it at 50% and it would randomly dim and brighten like crazy. I tested at 100% brightness and it also dims and brightens. Obviously, I don't have it on auto brightness but it sure acts like it.
Anyone with the same issue? Is it a defect? I just got the phone today and I'm afraid to exchange it to have the same problem again. I really like this phone. There's always a friggin issue on a new phone. It's ridiculous.
Click to expand...
Click to collapse
In Q&A is a thred call DPI Change. Try that, but reed carfully. you'll need root for that.

I appreciate your input but I don't know how the things you mentioned would help me in my case. I would need to do a video in order to see the problem instead of screen shots. Dpi change will do nothing in this case as well. You may be confused with the issue I have.

Well I try my best. As I sed could be a software problem. DPI is a resolution thing, can help a little. Also you can link a video to see exactly what you talking about. The reson I ask for the screen shoot is becaus I can probably see a differences between your brightness and mines. Hope somebody can help you on that.