[Q] Touch screen problems - Galaxy S 4 Q&A, Help & Troubleshooting

Hey guys
I have an odd problem eversince i took the plane (it was going well the morning) the touch screen started acting weird. A little part of the middle screen doesn't respond, well when i touch it the bottom of the screen respond (like an application opens which is in the bottom).
I have a S4 GT-I9500
Thank you

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[Q] Digitizer Problem - Aria

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I just want to thank everyone on this site for the plethora of information that is available.
Here is a rather strange issue, that I did not see covered previously...
I purchased a used aria with a cracked digitizer off ebay for pretty cheap. I replaced the digitizer myself and all was good. I used the phone for about a week and dropped it. After that, the digitizer has been acting a bit flaky.
For instance, when it decides that it wants to annoy me, every input seems to register only on the middle of the screen. For instance, if I touch the top of the screen, the screen registers touches as though I was touching the screen in middle of the height. If I touch the bottom, it still registers the touch in the center of the screen.
I found that If I knock the phone against a table, along the edge, the problem goes away for a while. Then it crops up, again, randomly.
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Thanks,
JC

Ghost touched on HD2

Hi all,
I have replaced touch layer in my hd2 and buttons. Everything was great, but sometimes HD2 has very strange behavior. For example, Iam at home screen, just scrolling thru apps, when suddenly touch layer starts to recognize touches in upper part of display. This can happen even when I dont have any fingers on phone ... If I want to stop this I usually put multiple fingers on layer, or just go to lock screen. So Iam wondering if my touch layer isn't somehow broken, or if is there any short circuit or something else? Do anyone of you have same experience as me?
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[Q] TouchScreen Problem

Hello
I have 2 months old LG Nexus 4 and I have a problem with touch screen. These is a field in a buttom of the screen whitch is not reacting on touch. I ca touch it 100 times and nofthing happens it is not respondint to anything even harder touches.
so the field is here
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under these field and above is screen working normaly. now i want to know if is these maybe a softwere bug or is these a hardwer one and i should take the phone on the serverice, btw the phone never fall or anything else.
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my cousin, who is working at the home appliances store disassembled my a500 to fix the unresponsive volumn button.
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Gionee Elife E7 32Gb Touch Screen strange problem

Hi ppl my E7 start giving a few toutch screen problems a few days ago. At fist it start unlocking the screen and opening apps and doing calls on its own when on my pocket what it never did before since i bought him months ago. The when i was playing heartstone the toutch screen become totaly crazy no leting me do any grab and drag options e clicking screen at randow :S After a few turn screen on/off it become ok again.. But after a few minutes it hapend again :S when form tha moment it was never the same.. sometimes stops from responding other can do the drag up action to unlock screen others cant drag items others it just starts clicking like crazy on screen on its own.. Had a few power on/off.. Problems continues.. Had a factory reset problem seem a little better but not much.. juxt stop clicking on its own now but cant do drag actions across full screen. Now i installed a toutch screen test app. Found that a part of the screen is not responding (or is responding really really bad like a dozen pixels only in a finger from top to buttom size area) in a paint test... the lenght of a finger.. from top to bottoum near the middle screen (Landscape mode). Cold it be a software issue on the rom ? i did installed some suspecius software (im rooted) a few times could it have damage the rom or the touch drivers or controls in a way the reseting it wont fix? could installing other rom fix it ? Could it be that the screen got out of calibration or something like that ? or its really an hardware issue ?
if its hardware is it cheaper just to exchance the touch screen since the screen doesnt have a single scrach? Or replacing the touch panel is the expansive part when screen breaks? Please any idea is welcome even if little help. Thx for any answer in advance and sorry for my bad english :S im Portuguese

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