purple lines in screen? - G3 Q&A, Help & Troubleshooting

hi,
half of my g3 screen is now purplish.. that issue suddenly appeared from nowhere. but the screen is fully functional despite this issue.. so this means lcd is defective? is there any way to fix it?
here's the issue
http://imgur.com/Gw3nsyC

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[Q] Screen Issues: Static Screen Vertical Lines Right Before Lock Screen

When I wake the phone, seconds right before the lock screen I notice a type of static screen with vertical lines.
It is more apparent when trying to wake the phone in dark settings or a dark room.
Stock Phone, No Modifications.
Is this normal? Has anyone else noticed this on their Epic 4G Touch? I just got the phone 3 days ago and am wondering if its a hardware issue and if I should return it. Any help is appreciated.
Attached is a picture that resembles the pattern.
I've never noticed it. I even tried to re-create the issue and I couldn't. I am also running the stock firmware (EG30) and I am not rooted.
Thanks for the help... I'm not taking any chances. Called to get a replacement.

[Q] screen flickering

Hi guys,
anyone had an issue where the screen flickers really badly? Mine has been working great then today it did a weird glitch where the button bar at the bottom went halfway up the screen, and the screen flickered really bad, like a tube light starting up. Ive reset it and now its flickering like a fluorescent tube light. everything still works, but im on the phone to three now organising to get it returned.
cheers
Ray
ok, so an update to this. after leaving the phone on all day the flickering screen stopped flickering, however now i have an issue where plugging my ear pollution headphones causes the phone to now show as a headset with microphone, and the voice assistant to appear. It is also now getting really hot on charging where it didnt before, so my returns envelope arrived today, and its off back to LG for a repair. Seems very strange how its happened after a month of relatively light use, where my 2 htc phones were working great after 2 years of use?
anyway, lets see what rubbish comes back from LG
Home screen Magnifies
I have a weird problem with LG G3 screen
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[Q] Sometimes several lines appear in the bottom of screen

I have problem with my beloved phone. Sometimes there are several horizontal lines appear in the bottom of screen and disappear after being locked - unlocked. Is that a bug of firmware/ROM? I used Revo 5 and now using Carbon 4.4.4 n the anoyying line still appeare sometimes. Maybe the problem is recovery or anything like that..
Anyone knows how to solve it??
Defective LCD
Try to replace a brand new LCD buddy, the lines that appear is a sign that your LCD is not in good condition, however you can still use your phone for several period of time.

Samsung galaxy tab 3V sm-T116nu - Color/Screen problem

For some reason a short time of using this tablet the screen will turn green, purple, and yellow and have screen scrolling. Factory reset did not fix the issue, so today the screen was replaced, and the issue still occours. What could be wrong? Defective hardware?
The catch is if you lock the screen it goes back to normal for a while, until the screen messes up again and graphics/colors are all wrong. Locking the screen fixes it over and over. How can this be? Recovery screen has no messed up colors, Boot screen has no wrong colors, could this just be a rom issue?

Screen too dim, backlight(Maybe) not working.

Hi all. I have a rather weird issue. After droping(oops) my phone, I ordered a new lcd. I shelved the phone as it was unusable until the screen arrived. When the screen arrived, I saw that the battery was dead. I charged it and changed the lcd. That's for the backstory. Fast forward to now. When I open the phone, the screen lights up at full brightness as one would expect at the android one logo. It stays there at full brightness for about 8secs But as soon as it starts loading android the screen dims to absolute dark. In the beginning I thought the phone was closing, you can't see anything... Unless you close the lights.
But even in absolutely dark room, the screen is still very dim, barely discernible. The phone works absolutely fine otherwise, touch camera sound etc. I backtracked the process and put it's original screen on, but it does the same.
I tried disabling auto brightness it does nothing. In fact, changing brightness from the slider does absolutely nothing whatsoever.
Tried calibrating the sensors from the engineering menu(not sure it was called that, the one you enter when you put numbers on the call menu) they seem to be working, but the brightness doesn't change.
Tried removing the battery for a prolonged amount of time (around 6 hours iirc). Still same.
At this point i'm thinking:
1)Software problem. I will really need to hard reset the whole thing, which i'd rather not, and hope for the best.
2)Bad screen, which doesn't explain why the previous one has the same problem, or why the screen works during the logo.
I hope I was able to give enough info. Any help would be greatly appreciated. Thanks!
Hi, I'm having almost the same issue (display very dim, but for me it is always very dim) and this manifested not after any dropping or screen replacement, I guess I just wrongly inputed a button sequence that configured the mobile in this weird status. It is really annoying as it is almost impossible to unlock sims, basically the phone is unusable, very frustrating....
Hey there, did anyone found a solution for this issue?
Has anyone solved this problem?
Have you found what was causing this?
I’ve the same issue, replaced the lcd on a xiaomi mi a1 and the backlight is present at the logo startup but completely black after that.[br]
On a dark room I can barely see the screen and all it’s working, but adaptive light button is missing, seems like the bootloader is able to use the backlight but not android itself
I have the exact same problem, i really hope someone knows a solution to this. I tried pretty much anything within my capabilities

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