Black bars om the top of the screen - Galaxy S 4 Q&A, Help & Troubleshooting

Hey, I bought a s4 and have some problems..
Sometimes when I'm in apps they get like pushed 0,5cm down on the screen. That bar is black and stays that way till I reopen the app.
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Related

Black screen for a sec on wake up?

Black screen for a sec on wake up? I know this is a really anal and stupid question. Ive just rooted my arc using gingerbreak. When I wake the device up using the home button, there is a black screen for a brief moment before I get to the slide to unlock screen. I dont remember this before rooting. Can anyone else test this for me? Thanks.
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I think its just cause its loading up but I get it but its not when.for a second I get it its for less than a second so I think it should be fine
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Any One Notice this? Bright Line flash on the screen

This happened about once per hour, my screen will flash ,i means : a bright line appears at the left edge of my screen, brighter than anything i have ever seen normally on this screen, and disappear immediately. and not thing more is wrong.
I am using the CM9 Rom from locerra and it is a great rom, i don't know if this is caused by the rom, but i have not notice this when running stock HC.
I am just worrying if this will do any harm to the screen, or is there any way to get rid of it?
I have not find any pattern when will this show up, it has been shown when i am watching a movie on the MX player, and when i am using Chrome.
Has Anyone noticed this?
Just noticed this for the first time with LQ2
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I get this occasionally along the bottom in landscape view. I'm on stock ICS
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Saw this once after I upgraded to the Hong Kong ICS.
Saw that on the left side of the screen once. I have not done anything in particular then.
this happen to me but very rarely during startup of cytus games.no side effect as far as im concern
I experience same..during using chrome since LQ2 stock rom, and on HC, i was experiencing ..screen went blank and scattered golden colored dots all over screen or rainbow effect ..when press power button .. but no other things to make me worried
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+1 left side
biopsin said:
+1 left side
Click to expand...
Click to collapse
So am I. But it happen once that the light appeared in the middle of screen then suddenly the color of the screen went crazy except for the black. Like the skin tone of a person turns to green, blue becomes orange etc etc
titus1 said:
So am I. But it happen once that the light appeared in the middle of screen then suddenly the color of the screen went crazy except for the black. Like the skin tone of a person turns to green, blue becomes orange etc etc
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Me too..experienced only 1 time...i restarted the device....its a long time, never see again
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just happened to me for the 1st time today. left side.
Cm10 , left side
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test
As test, turn off Surface dithering under settings -> performance
Edit: seems this is jackpot, have not seen the white left line issue anymore..
EDIT2 : nope, still on left side seldom, also noticed on bottom once today
Try the app SyPressure.
In my p6810 with stock ICS the app triggers the white line to flash like mad.
Try and report if you be so kind.
Experienced this a few times. Stock ICS, left side too.
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me too..i experience it at least once every month....bright white line on the very left edge of the screen
i'm using stock ics too

Help on Galaxy S4 I9505 idle screen...

I have my phone for about a week now. Before I'm seeing a sceen that shows up when idle the one with clock which stays for about 4 to 5 secs (attached photo) but now i don't see it anymore. Can anyone tell me please how make it show again. I can't find it anywhere on the settings. Or what is that in the first place...
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Try waving your hand over the top of the phone when the scree is off. That's how I get it to display. The blue LED lights up first if you did it right.
-Airax
It works. Air gesture must be On. Thanks.
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GREEN TINT IN S4 i9500

I am using my s4 from past 20 days but today i noticed whenever i open keyboard to type something a slight green tint occurs on the display it is very visible while using the phone in dark environment with zero brightness and with higher brightness levels its not that clear but still it is there ... i got rid of smearing issue courtesy screen adjuster app but this issue is bothering me .... anyone else having the same issue plz let me know.
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Haven't noticed this on my I9505, try using another keyboard
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I'm having this issue and it's doing my head in!
Every time I bring up the on screen keyboard the hue changes slightly to greeny tone. Then back again when keyboard goes.
I'm surprised not more people mention it.
The easiest way I found to see it was ten brightness right down, go to a dark room and open play store. Touch on the search bar to bring up recent searches and keyboard, then hit the back button, then touch touch bar again, then the back button. Keep doing this so your toggling keyboard on and off and watch the whole screen shift tone.
I'd love to know if it's an issue across the board or if only a few phones are affected.
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I am facing the exact issue bro but i hope it will be a software related issue but i am also worried that may be we have defective handsets because very few people raised voice against this issue so it means that most users are not suffering from this issue.
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Is this for the stock keyboard? I'm using SwiftKey though.
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I tried with other keyboard and its still there
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It's got nothing to do with the keyboard.
If you watch a movie on you tube (black and white is best) put to full screen and wait for slider to dissappear, then tap screen to bring it back. The hue changes to green!
It's whenever the screen has to bring something up like a keyboard, menu, slider etc.
Come on guys please can you test this so we know it's a problem on all handsets like smearing or if it's a hardware fault in a few handsets.
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Yess same issue here like u mention
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Same thing with my.
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Disable the auto tinting option at display options and the problem is mostly gone...
I9505 here and same thing.
sj44k13 said:
Disable the auto tinting option at display options and the problem is mostly gone...
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What auto tinting option ?? Where is it ??
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Lol there is no 'auto tinting' option. If you mean adjust screen tone, it makes no difference.
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This happens on kernels based on MDN below,
anything above MDM the tint issue is fixed.
On ME2 firmware and I experience the same issue. It feels kinda like a 'flicker'.
I have same keyboard tint problem too and its bugging me. Is it a sw or hw issue? Can it be fixed?
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Raad76 said:
I have same keyboard tint problem too and its bugging me. Is it a sw or hw issue? Can it be fixed?
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Click to collapse
Brother i think its a sw issue along with purple smearing ... i hope it will be solved with next update
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saad2687 said:
I am using my s4 from past 20 days but today i noticed whenever i open keyboard to type something a slight green tint occurs on the display it is very visible while using the phone in dark environment with zero brightness and with higher brightness levels its not that clear but still it is there ... i got rid of smearing issue courtesy screen adjuster app but this issue is bothering me .... anyone else having the same issue plz let me know.
Sent from my GT-I9500 using xda app-developers app
Click to expand...
Click to collapse
mostly all people have this problem & I was worried too about this. But update your phone. you should get a new update notification by now.! I already updated and it fixes this problem. and the smearing issue as well. And then you can also move your apps to sd!!!!!:victory:
Hi, just got my replacement after having some overheating problems and noticed this problem on the new one. I'm pretty sure is the screen, and not a software problem. Mine looks yellowish/greenish on the bottom. I downloaded Screen Test app and notice the problem. I have some pics showing the color differences along the screen. I'll go for another replacement tomorrow.
Renowned xda member bala gamer said that after installing MEA update this green tint issue is gone
http://forum.xda-developers.com/showthread.php?p=42454525
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Screen responsiveness

Does anyone is experiencing some screen responsiveness in I9505 with default ROM, unrooted?
Sometimes I need to touch the screen for 2, even 3 times to access what I touched.
Also, the phone is a little laggy than I thought.
Thanks in advance!
Cristiano
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^Hi, I used to have a nice screen responsiveness even with the Stock ROM unrooted. Are you with any screen protector BTW? Maybe that's the problem .
I m stock unrooted with screen protector and my screen responsiveness is extremelly good ... some times i get the feeling that i select things without even touching the screen ... check if this happens in certain apps or maybe u have a bad screen protector
Thank you! No I'm not using any screen protector.
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No screen protect or here.. by the way when I touch the botom touch buttons once, sometimes it acts like was pressed twice! :what:
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I do notice that if i grip my phone in a particular manner where part of my palm is on screen, it becomes unresponsive. Is that happening to you?
cristianomc said:
No screen protect or here.. by the way when I touch the botom touch buttons once, sometimes it acts like was pressed twice! :what:
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Click to expand...
Click to collapse
Try disabling all TW features in Settings, and also it can be LTE that's overheating your device and giving you a worse responsiveness.
No! I'm taking care about not touch the screen in diferent points at the same time.. maybe it could be bacause I'm using Beautiful Widgets Live Weather...
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I tried and with LTE disabled it got snappy! Thanks!
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Glad you got it !
Parabéns colega xD
Thanks!
Valeu!
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Just updating... turned on everything again: smart, gesture and so. Also screen animation but turned off the animated grass on my beautiful live weather and the automatic language detection for the keyboard: the device and the screen response is amazing!
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