[Q] Flickering hardware buttons - Galaxy Tab Q&A, Help & Troubleshooting

Recently, particularly noticeable in the dark, my hardware capacitave buttons stay dark, flickering on with each screen tap. Has anyone else seen this odd behavior?

Mine is doing the same thing. Did you ever figure it out?

Same here! I noticed it started to do it after I was installing some video players. I installed them thinking it would fix it but it didn't. It's a tad annoying. If anyone can figure out what's going I'd appreciate it!
CDMA - Verizon GT
Sent from my Galaxy Tab using XDA App

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[Q] "reverse" accelerometer, or app problem?

Hello all!
I have been a proud user of Galaxy Note user for a bit over a week now, and I am trying to test (in real app-world) if all the sensors are working correctly to be able to bring change it at the store if something doesn't work, since I'm eager to root my device and I probably won't be able to return it then.
Yesterday I installed the game AirPenguin, which uses accelerometer controls, and it seems all messed up. Basically what happens is that as soon as the game starts, the bird goes flying way left, even though I am holding the phone still. What I found out after experimenting a bit was that the game itself is locked to portrait mode, but the accelerometer works as if it was in landscape. Meaning I have to hold it in landscape, and when I then tilt it left, the bird flies left in game-screen, but left is down from my point of view.
I was wondering if anyone else has seen such problem in this game or any other app, and if it is just a game bug or if there could be a problem with the accelerometer.
The stock accelerometer calibration works without a problem - when I tilt the phone left, the ball goes right, and when I tilt it right, it goes left (I suppose that's how it's supposed to be).
Thank you all in advance!
ME TOO
I'm facing the same problem on my Galaxy Note, I wonder if that happens also on other android devices or it's a galaxy note issue only?
i dont have the app, but is auto-rotate (that thing in the notification bar) turned off or on? try changing that to see if it fixes it?
bhja said:
I'm facing the same problem on my Galaxy Note, I wonder if that happens also on other android devices or it's a galaxy note issue only?
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=1382068
Nexus and HTC Flyer, too any solutions?
Same problem with my Galaxy Tab 7+ P6200. I have encountered so many games in the google playstore with this problem. Too bad, i hope the app developers fix this problem for our devices.
afair there was a free app for comprehensive hardware testing, it was called Z-Device test, if stones interested, and google does not hello, I may try to find the link or apk later
Sent from my GT-N7000 using xda premium

screen responsiveness problem

Every couple of days I have a problem with the screen becoming VERY unresponsive. It seems to affect the whole screen and requires touching characters on the keyboard, web buttons, app icons, etc. multiple times before the touch is registered. The problem persists until I reboot the device.
I haven't rooted yet or otherwise modded it at all, but maybe I have a poorly optimized app running? Haven't tried to capture a logcat yet either (and frankly wouldn't know what I was looking at).
Has anyone else experienced something like this?
Thanks!
_john
Looks like mine is suffering something similar to the problems discussed in this thread:
http://forum.xda-developers.com/showthread.php?t=1779652
I also have this issue. Was able to reproduce with multi touch tester apps. When I cross axis the touch points freak out. I think it's a grounding issue. If I touch the headphone jack or have headphones in the issue goes away. Called in a RMA request yesterday. Hope this issue isn't present in the next device.
Sent from my Nexus 7 using xda premium

[Q] Anyone having screen flickering?

I love the phone but I've noticed that while navigating the phone the brightness flickers or pulsates somewhat. It's also noticeable when watching video. Also I've noticed when I swipe from blinkfeed to my main home screen I can tell the screen gets slightly dimmer.
It doesn't seem as pronounced when I disable auto-brightness but it still seems to happen.
Just wondering if anyone else has noticed this.
I also have but I can't consistently recreate the issue so I havent tried to get a replacement yet
Sent from my HTCONE using xda app-developers app
After messing around with the phone more it seems to me like the brightness adjusts depending on what is on the screen, like if I launch an app the brightness might change but once it does it seems consistent until I do something else. I don't know if it's trying to adjust dynamically based on what's being displayed or what.
Not really sure if it bothers me enough to do anything about it.
I had like a wave go through my screen while using the cam odd anyone notice the lines in the screen when its off ?
Sent from my HTC6435LVW using xda premium
I haven't noticed that.
I actually went to Best Buy over the weekend and exchanged my phone to see if a different one would be better about the brightness adjusting constantly. My new phone seems about the same but I think I'm kind of getting used to it, also I just don't feel bad knowing that it seems to be widespread.

Screen flickering after new firmware (apg2)

Hi everyone,
Yesterday I clean flashed the new firmware (apg2 XAR) for tab s2 (2016).
After an hour of use the screen started to flicker, shifting colors everywhere on the screen.
After a reboot the flicker was gone but not sure if that was a "fix". If it happens again I will try to capture the screen.
Nonetheless I wanted to ask if anyone had something similar. Can that be a hardware issue? Or a software one? Maybe a graphic driver problem?
Thanks for any input.
varben said:
Hi everyone,
Yesterday I clean flashed the new firmware (apg2 XAR) for tab s2 (2016).
After an hour of use the screen started to flicker, shifting colors everywhere on the screen.
After a reboot the flicker was gone but not sure if that was a "fix". If it happens again I will try to capture the screen.
Nonetheless I wanted to ask if anyone had something similar. Can that be a hardware issue? Or a software one? Maybe a graphic driver problem?
Thanks for any input.
Click to expand...
Click to collapse
Well if a reboot fixed it then you're good to go.

Colour screen issue - phosphorite colours

Hello. Issue is the screen all of a sudden turns into very phosphorite colours. I've searched for any similar issue here in xda and have not seen anyone else with this problem..
In another forum (Spanish only) various people have reported the same issue after my post there. And in most of the cases the issue seems to show up after watching a video/movie potentially related with Netflix and/or HDR.
Rebooting solves the issue. And another person reported that after leaving the phone locked for some time the colours were back to normal...
Have note 8 for less than a month and this has happened 2 times already.
I post here as audience will be wider.
Anyone with same issue or idea?
Thx a lot
Mobcomm said:
Hello. Issue is the screen all of a sudden turns into very phosphorite colours. I've searched for any similar issue here in xda and have not seen anyone else with this problem..
In another forum (Spanish only) various people have reported the same issue after my post there. And in most of the cases the issue seems to show up after watching a video/movie potentially related with Netflix and/or HDR.
Rebooting solves the issue. And another person reported that after leaving the phone locked for some time the colours were back to normal...
Have note 8 for less than a month and this has happened 2 times already.
I post here as audience will be wider.
Anyone with same issue or idea?
Thx a lot
Click to expand...
Click to collapse
Can you show us some pics?
I don't have, but if when it happens again I will take a picture with another phone
Nobody in xda have seen the issue?
Mobcomm said:
Nobody in xda have seen the issue?
Click to expand...
Click to collapse
I think we're waiting on pics. Phosphorite is a rock, so I'm not sure what phosphorite colour means.
sounds some settings in the screen mode were changed. when it happens again, dont reboot just go toggle a few different setting and see if it fixes it. also, having tinted colors(phosphorous?) seems as RGB got changed under the advanced settings in the display mode settings.
I do know some apps are be able to change brightness so mybe other can change color settings? some sort of a blue light filter or 'night' mode?( tint to a warmer shade?)
Mobcomm said:
Hello. Issue is the screen all of a sudden turns into very phosphorite colours. I've searched for any similar issue here in xda and have not seen anyone else with this problem..
In another forum (Spanish only) various people have reported the same issue after my post there. And in most of the cases the issue seems to show up after watching a video/movie potentially related with Netflix and/or HDR.
Rebooting solves the issue. And another person reported that after leaving the phone locked for some time the colours were back to normal...
Have note 8 for less than a month and this has happened 2 times already.
I post here as audience will be wider.
Anyone with same issue or idea?
Thx a lot
Click to expand...
Click to collapse
Is it only when you're charging? I have my screen saver set to colour, and I'd describe those as psychedelic. But I just have to touch the screen to make it stop.
Haha. Yes phosphorite is probably not the right word... the screen turns into fluorescent colours (like in a highlighter pen). Hope this clarifies... let's see if it happens again and I take some pictures.
Thanks for the responses so far

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