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Occasionally, a horizontal or vertical line flashes on the screen very quickly and then disappears. Does anybody else have that? Is it anything to worry about, or does it not matter? Is it likely that a software update will fix this?
Thanks for any replies!
First, are you running a custom kernel or stock?
Sent from my Nexus 7 using xda app-developers app
I have not rooted my device. I have flash installed and Iplayer, but apart from that all my apps come directly from the Google appstore...
Sent from my Nexus 7 using xda app-developers app
StrangerWeather said:
Occasionally, a horizontal or vertical line flashes on the screen very quickly and then disappears. Does anybody else have that? Is it anything to worry about, or does it not matter? Is it likely that a software update will fix this?
Thanks for any replies!
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Damn it! I was seeing this on occasion and hoped that if I just thought I was crazy I wouldn't have to acknowledge it. Now I see it's not my imagination. It happens only rarely and it's really just a blip, but it is indeed weird. I just unlocked/rooted last night though so I'll have to see if it still happens now...
Always happens to me, really only noticeable on mostly white screens like in xda app.
Sent from my LG-P999 using xda app-developers app
First device had this issue, took it back (for many reasons), and have not noticed that little "subliminal" black line anymore.
Happens to me too, so far only seen it in the xda app, and in my browser while waiting for a Page to load that is taking a while.... I'm currently waiting for an exchange because I have a slight screen lift issue, but I doubt it will fix this black line problem, it is probably standard on these things. I guess I can live with it
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I get it like once every 10 hours or so and only when using xda app or chrome for some reason.
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Yep, I see it with tapatalk. Haven't noticed it with anything else just yet.
Sent from my SGH-I777 using Tapatalk 2
I also get it a lot when playing an online chess game. It seems related to the apps used. Don't know what to make of it...
Sent from my Nexus 7 using xda app-developers app
Could it be a memory leak or a GPU rendering issue as some have suggested? Many of us get this on the stock ROM with no developer menu changes.
I notice it too. I thought I was seeing things. It is not serious enough to give a crap though. I just hope it does not evolve into a worse issue.
It probably has to do with spotty Tegra drivers. I noticed it slightly on Chrome, but never on anything else.
Sent from my Nexus 7 using xda app-developers app
I've seen this quite a bit also. Seems most prevalent for me when I'm using the GPS Status & Toolbox app from EclipSim, except in that app the lines are white.
I think you guys are referring to screen tearing. I have seen it a few times to I think in chrome. Pretty sure its not a hardware problem.
Sent from my Nexus 7 using xda app-developers app
I haven't noticed it at all on the nexus. I have had this issue on my tf201 though.
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Hmmm... seems this thread should be combined with the other regarding the same issue: http://forum.xda-developers.com/showthread.php?t=1791281
Yeah I get this too I'm hoping its a software issue it doesn't happen often but I seem to only notice it on tapatalk or the Facebook app. I haven't seen it on games or videos.
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sam3000 said:
Yep, I see it with tapatalk. Haven't noticed it with anything else just yet.
Sent from my SGH-I777 using Tapatalk 2
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I see this on occasion with the xda app. I haven't seen it all using anything else. I'm no overly concerned.
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I get that in Tapatalk once in a while. I would guess its a coding thing and not a device defect.
Sent from my Nexus 7 using Tapatalk 2
I've not seen it mentioned, but I want to know if others have noticed.
So far all 3 of my CK60 devices have this. Originally I thought it might have been the app Thumb Keyboard. But my other two without the app display the same.
At about 1 inch from the right side edge of the display portion of the screen, a vertical black line will flash. I've only really noticed it while browsing. Not entirely sure it's not just an issue in Chrome, as I also have the stock ICS browser installed, but only use that to view flash videos.
Each has been unlocked and rooted, it's so random and happens so rarely that I couldn't remember to diagnose it pre-root/unlock..
Anyone else notice this?
Would like to know if something common, before erasing my unit to test clean stock.
I will get the random black line flash on some apps. Such as XDA, and chrome. Doesn't ever happen on a homescreen, or in game or anything.
Don't bother with wiping, it won't do you any good.
Same here. Think it's a software problem.
Sent from my LG-P999 using xda app-developers app
regalpimpin said:
I will get the random black line flash on some apps. Such as XDA, and chrome. Doesn't ever happen on a homescreen, or in game or anything.
Don't bother with wiping, it won't do you any good.
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redmonke255 said:
Same here. Think it's a software problem.
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Thanks for chiming in guys, appreciate it, it doesn't "really" bother me, but it is a "glitch". Good to know.
delete me
Yea I have the same problem also this is the second replacement.... screen flicker on the first now on this I get the screen flicker and lines on CK60 device
I flashed Motleys kernel for the performance but it also got rid of the flashing black line. I didn't really think about until yesterday when I realized I haven't seen it happen in a couple days now ever since I flashed it.
Sent from my Galaxy Nexus using Tapatalk 2
It use to flash on my tapatalk, Facebook and chrome browser but the kernel seemed to fix it.
What are we referring to as CK60
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The SSN on the box.
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All 3 of my n7s have it. So its software right? Because this one is perfect hw wise other then that and I want to knw if its a defect or will be fixed with a ota
And I only notice them on tapatalk or chrome
Sent from my Nexus 7 using Tapatalk 2
?!?!?!?
Sent from my Nexus 7 using Tapatalk 2
Definitely software.
Sent from my LG-P999 using xda app-developers app
I noticed it first day I started playing with my Nexus 7.
I also have the screen flickering problem, but I'm pretty sure they are completely unrelated.
Hopefully there will be an update to fix it.
I flashed the motley kernel and it stopped.
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PROlific666 said:
I flashed the motley kernel and it stopped.
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Can I get a link to that
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PROlific666 said:
I flashed the motley kernel and it stopped.
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+1
Sent from my Nexus 7 using Tapatalk 2
Flashing black lines?!?!?
Yep, same thing here. It isn't a huge deal, as it's just a split second flash. My only concern is that it may get worse as time progresses. I REALLY hope Google is working on some patches to address some of these Software issues.
Other than that, I am very satisfied with my Nexus 7, it's an excellent buy!
Google, please, you guys need to really tighten up your SQA department!
-Android1126-
Make sure to read the instructions before doing this. It does take care of the black line for me I haven't seen it in over a week now.
http://forum.xda-developers.com/showthread.php?t=1775798
Also over clocking isn't needed to get rid of the line flash. It is a nice feature to have. And for the GPU I would suggest the 484... Also be sure to give motley a "thanks" for his work.
Sent from my Nexus 7 using Tapatalk 2
I am seeing the same thing on my C70. I also sent in a support request to ASUS and directed them here. Will post back if/when they reply with something useful.
Noticed a horizontal black line flash across the bottom while in portrait mode. Happened while on xda a few days ago. Haven't seen it since
Sent from my Rooted, LazyPanda, White "Destroy Mode" Evo
Anyone had this one? Since 4.2, the screen momentarily goes black, with a similar transition to hitting the task manage soft key, but transiting to the left in landscape, then flicks back to normal use. Happens in apps...screws up some games, puts others into pause mode as if a task has been switched. Thought it might have had something to do with auto rotation going a bit bonkers, but not sure....
Not heard any reports...have looked through the forum, couldn't find anything.
Weird...it just did it then....but the keyboard stayed on screen, xda disappeared to the left...
Any thoughts and thanks in advance
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Thank God! Thought it was just me!
Sent from my Nexus 7 using Tapatalk 2
Ok..just happened again while in portrait mode. Definitely saw it flick to landscape. Rotation is locked btw.
Hmmmmm.....
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It happened to me three times last night after update to 4.2 :crying:
Ok...so, while sitting in a tedious meeting, Nexus in landscape, propped up with its folding case the screened flipped upside down and stayed upside down. 3 times. My ipad using colleague giggled.
Any way to recalibrate the tilt sensor? Or any other suggestions?
It's not the end of the world but...there must be a patch solution or other? Before 4.1 I used the auto rotate app, I forget its correct name...
Thoughts?
Sent from my GT-I9100P using xda app-developers app
I used logcat to monitor the Nexus 7 until the random rotation happened. After looking at the log I realized that it was always the same process being activated and that process was nVision.
Since nVision always rotates into landscape mode I was suspicious that perhaps when it tried to update itself in the background it was changing the screen orientation. I disabled notifications and then uninstalled the app and the problem has completely gone away. I have had no random rotations at all in the last 24 hours.
Sent from my Nexus 7 using Tapatalk 2
Thanks very much. Ill give it a try and report back
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Okie doke.
For the record.... 48 hours and no random flips to landscape and back. I'd be willing to be a substantial amount of money this was the culprit. However, whether this is a 4.2 issue per se vs. Bad behavior in nVision is an open Question.
Sent from my Nexus 7 using Tapatalk 2
Ok. Disabling nvision notifications still flips out. Will uninstall later.
Thanks again
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Uninstall it. I still think it checks in and screws your screen, whether it shows you the notification or not.
Sent from my Nexus 7 using Tapatalk 2
Uninstalled...all good so far. Woooooo!
Cheers!
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I traded in my One for the s4 and one of the main reasons is because I honestly missed the pop of amoled, I remember how great the blacks were on my s2 and all is great on my s4 everything looks awesome and is vibrant as can be........ except when I pull up images that are mostly black....... it's not so "deep" and there is a brown tint. I mean it's still black, but because I'm ocdish with my phones I notice it and it bugs me. Is it something with my device? Just wondering if others have this? Not sure if attached pic will work because obviously you may be viewing from a device where all blacks are perfect
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Did you do the ota update to mdl? That fixes black levels along with some other issues.
Sent from my SPH-L720
My first S4 had the color smearing. I got a new S4 and it has this same problem that you are having. I am sure that it is the firmware so get that update. When you're ocd hates the smearing, get screen adjuster and set it to 555. The problem you have now won't be fixed with screen adjuster.
Sent from my SPH-L720 using xda app-developers app
I'm unsure what mdl is....? And Yeah I've checked for firmware updates several times and I appear to be up to date, I think they did that at the store before handing me the phone lol I'll try screen adjuster too thanks
Sent from my SPH-L720 using xda app-developers app
Mdl is the latest build. Go to build number under about device. The last three will say mdl if you are on the latest build. If not that's why you are having this problem it is a software issue.
Sent from my SPH-L720
---------- Post added at 10:40 PM ---------- Previous post was at 10:34 PM ----------
Here is how to force the update make sure you restart your device very so often to. http://forum.xda-developers.com/showthread.php?p=41171326
Sent from my SPH-L720
Ah I see it is MDC not Mdl but I don't have an option for an ota it says there's no firmware update available
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Go to the link I posted to force the ota.
Sent from my SPH-L720
I hadn't seen it before I posted. It Def fixed the problem. Thanks very much, though now I'm wondering why Google framework app had to be cleared to get an update lol. What's that all about. My phone also seems a lot less laggy and quicker too, I wish I would've had this earlier.
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carnivalrejectq said:
I hadn't seen it before I posted. It Def fixed the problem. Thanks very much, though now I'm wondering why Google framework app had to be cleared to get an update lol. What's that all about. My phone also seems a lot less laggy and quicker too, I wish I would've had this earlier.
Sent from my SPH-L720 using xda app-developers app
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You would have received it eventually, that just forces it. Sometimes it can be weeks to get a ota.
Sent from my SPH-L720
I see, just seems a little odd that even manually checking for it, it couldn't be found. Seems like an issue with in the Google framework thing on this phone. Never experienced such a thing on any other phone. I read about this update before but I had just assumed they took it upon themselves to update me at the Sprint store. Those employees know everything (lol). I can't believe how snappy it is now. This is great. I was contemplating taking it back and exchanging for the one again but not any more. Goodbye One.
Sent from my SPH-L720 using xda app-developers app
I'm running a rooted, cleaned up, stock mf3 ROM and its just terrible in terms of lag. Scrolling anywhere is jerky and awful looking, pulling down the notification shade is like 10 fps sometimes. Is this really the best it can do on touchwiz? My other devices are HTC One GPe, N4, Note 2, etc...
They're all faster! Help!
Sent from my Nexus 7 (2013) using xda premium
eallan said:
I'm running a rooted, cleaned up, stock mf3 ROM and its just terrible in terms of lag. Scrolling anywhere is jerky and awful looking, pulling down the notification shade is like 10 fps sometimes. Is this really the best it can do on touchwiz? My other devices are HTC One GPe, N4, Note 2, etc...
They're all faster! Help!
Sent from my Nexus 7 (2013) using xda premium
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you can try to going into developer options and enabling force gpu rendering
Turned on. Will report back.
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eallan said:
Turned on. Will report back.
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Still terribly laggy. Is this really how this phone operates? Using my nexus 4 is like a dream compared to this.
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Honestly I haven't noticed lag, if I were you after attempting to cut down lag, use your warranty.
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HiTideBlastoise said:
Honestly I haven't noticed lag, if I were you after attempting to cut down lag, use your warranty.
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I am envious. There is no way its a hardware issue. Wake your device and pull the notification shade down quickly. What's it look like?
Sent from my SAMSUNG-SGH-I337 using xda premium
also set all the animations to 0, it will fly.
eallan said:
I am envious. There is no way its a hardware issue. Wake your device and pull the notification shade down quickly. What's it look like?
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Quick and fast
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HiTideBlastoise said:
Quick and fast
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Mines quick sometimes if already awake... I'd love to see a video of it being quick.
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eallan said:
Mines quick sometimes if already awake... I'd love to see a video of it being quick.
Sent from my SAMSUNG-SGH-I337 using xda premium
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My notif bar is always quick when I pull it down, even when I wake the phone from sleep then pull it down ...I think you just have to tweak kernel and rom settings a bit. Or clear cache...dalvik and app data. Quicker then the htc one from att I had..
Thats just your device man. Mine is smooth as butter, and always has been. I would double check to make sure power saving is disabled, and if it is, then your best bet is to factory reset and see if that makes an improvement.
Try @zepplinrox V6-SuperCharger script!!
Sent from my AT&T Samsung Galaxy S4 Badass
eallan said:
I'm running a rooted, cleaned up, stock mf3 ROM and its just terrible in terms of lag. Scrolling anywhere is jerky and awful looking, pulling down the notification shade is like 10 fps sometimes. Is this really the best it can do on touchwiz? My other devices are HTC One GPe, N4, Note 2, etc...
They're all faster! Help!
Sent from my Nexus 7 (2013) using xda premium
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User error
I had practically no lag out of the box. . . so maybe your phone has a hardware issue.
(since rooting and flashing Shostock2.1, and setting animations to 0 my phone is quick!)
The condition you describe is not normal for our model.
Good Luck
i Had same problems or close to same.
i had phone freezing and also flipping home screen used to freeze I went back stock and re root and flashed custom rom close to stock and i seen no lag
Maybe try some of custom roms ?
Monkz said:
Thats just your device man. Mine is smooth as butter, and always has been. I would double check to make sure power saving is disabled, and if it is, then your best bet is to factory reset and see if that makes an improvement.
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I've run about 3 different Roms and I use the gs4 and One daily. The one is quicker. I know from reviews and Google searches I'm not alone in experiencing the lag. Maybe some people are more perseptive to it?
The Google edition ROM was quicker. I already have the Google play edition one though, so I was trying to use touch wiz. I'll see if I can video the lag.
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http://www.youtube.com/watch?v=UEyWvct85I4
It's not just me!
eallan said:
http://www.youtube.com/watch?v=UEyWvct85I4
It's not just me!
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I see no lag on mine https://www.youtube.com/watch?v=0ah2dXUhWgM&feature=youtube_gdata_player
Sorry bout the noise...playing gmod lol
Sent from my SAMSUNG-SGH-I337 using Tapatalk 2
mg2195 said:
I see no lag on mine https://www.youtube.com/watch?v=0ah2dXUhWgM&feature=youtube_gdata_player
Sorry bout the noise...playing gmod lol
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Private vid!
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eallan said:
Private vid!
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Fixed...my bad lol uploaded from my old phone and thats default setting I guess
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