AT&T S4: screen stopped working - AT&T Samsung Galaxy S 4 Q&A, Help & Troubleshootin

My screen on my brother's S4 (SGH-1337) has stopped working. He swears it began doing it randomly and has not been damaged in any way. It either remains black or occasionally a random set of pixels are displayed. Is this a common problem and is there a fix for it? If not we will mail it off as it is still under warranty.... THANKS!

The only fix is to replace the screen assembly. If it is not rooted, you might as well send it off for warranty
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Related

[Q] Stuck after phone call

I bought a Nexus4 a couple of weeks ago. I constantly got this issue, it will be stuck and not return to the normal screen even I keep pressing the power button. However, if the other side of the call hangs up quickly, it normally works fine. but if it is directed to a voice mail box, it will be stuck forever until I shutdown the phone.
Just wondering has anyone experienced the same issue ?
Have you put a screen protector on it?
Sent from my Nexus 4 using xda app-developers app
It sounds like the proximity sensor on your phone is being blocked you might want to try not using your case and see if its make any difference
nuclearmonkeyuk said:
Have you put a screen protector on it?
Sent from my Nexus 4 using xda app-developers app
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Turns out the screen protector is the evil.
Thanks a lot!

Phone Screen

I recently had my nexus 4 screen repaired on the replacement part there is a 90 day warranty that is still going on. However I have started to see small white dots that appear when the screen shows lighter colors. I did not see this before it was repaired. I brought it back and they said that it wasn't a problem with the LCD and didn't replace the piece. But it seems to have gotten worse and there are these dots in other places. Does anybody have any idea how this could be fixed or what the problem is? Thank you.
Sent from my Nexus 4 using xda premium
Take a picture. There are some dots that create a pattern and can be seen when there screen is off but that's normal
Sent from my Nexus 4 using xda app-developers app
Part of the lcd that LG choose. If I'm not mistaken this feature is also on the LG Optimus g
Sent from that one guy with the cool phone
If I helped you hit that Thanks button!

[Q] Wife dropped her phone.

Hello. My wife dropped her S4 on concrete alittle over a month ago and has a crack on the top part of the phone. Everything was fine until today when she went to turn on her phone and the screen is black. Everything works as far as notifications, sounds, etc. even the touch works on the screen. I managed to go to a real dark room and barely see the screen enough to turn the brightness all the way up but the screen has a real pale white and some lines through it. Just wierd it started to act up today after she dropped it over a month ago. Does this mean the digitizer is faulty or is it something else? I attached a picture for you to see it.
It means the LCD is bad. The Digitizer is what detects touch. Best bet is to replace the whole screen and digitizer assembly. It's not cheap, but it is easy to do.
Sent from my GT-I9505G using XDA Premium 4 mobile app
graydiggy said:
It means the LCD is bad. The Digitizer is what detects touch. Best bet is to replace the whole screen and digitizer assembly. It's not cheap, but it is easy to do.
Sent from my GT-I9505G using XDA Premium 4 mobile app
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Thank you for the fast response! I will have to buy this and fix it asap. Thanks again.:good:
http://www.amazon.com/gp/product/B00D8EN9Z8/ref=oh_details_o02_s00_i00?ie=UTF8&psc=1
This is the one that I got. It comes complete and looks like a factory original. All the markings match the ones from the broken one I took off mine. It's not cheap, but it is easy.
Mobiletechvideos also has a service for screen replacement.
Sent from my SAMSUNG-SGH-I337 using XDA Premium 4 mobile app

Replaced screen... Screen off before and after..

Had a cracked screen but while touch didn't function the screen was still on/visible. Left the phone and went to my back up until the replacement came in.
My replacement screen arrived and when I took it to be replaced the tech powered the phone on and while the led lit up the screen never powered on/. Got a call after the screen was replaced and the screen still doesn't light up.
Could the battery be drained enough over the course off a week to cause this issue?
Any other ideas what it could be?
TIA
Sent from my Desire HD using XDA Free mobile app
pissat4motion said:
Had a cracked screen but while touch didn't function the screen was still on/visible. Left the phone and went to my back up until the replacement came in.
My replacement screen arrived and when I took it to be replaced the tech powered the phone on and while the led lit up the screen never powered on/. Got a call after the screen was replaced and the screen still doesn't light up.
Could the battery be drained enough over the course off a week to cause this issue?
Any other ideas what it could be?
TIA
Sent from my Desire HD using XDA Free mobile app
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Check all connectors and if it still happens you might have a bad lcd
Must have had something to do with the battery... got a call this morning and it was working as it should.
Sent from my LG-D800 using XDA Free mobile app

[Q] 2nd g2, another screen problem

just got a replacement g2 and screen is fine unless i use mobile data, then it flickers like its being interfered with, i also get this flickering when im sending or about to receive a text.
this only seems to happen on gsm, though i have to have it on as this gives me the best signal in my area.
has anyone else encountered this problem?
is there a workaround?
thanks in advance :good:
Ask for replacement,
Sent from my LG-D802 using XDA Premium 4 mobile app

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