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Screen Flicker/Static - faint wavy lines on lighter colored screens

Hi all
Recently started having this issue with my screen - haven't dropped it or anything either. On lighter colored backgrounds there are faint to pretty moderate horizontal lines flickering on the screen. The lines aren't colored or in one specific spot on the screen. It's hard to explain but it is similar to older projection tvs where there are those faint lines(static like) in the background.
I took a screenshot but it doesn't show the lines. I had been using Android Revolution HD 6.1 (great rom btw!!) and I've tried other roms since this began happening (thinking it was the rom) but to no avail. I'm currently running CM7.1.
Things I've tried:
changing roms
turning screen brightness up
turning on automatic brightness
turning down/off various animation settings
turning on light sensor filter in cm7 settings (helps a little)
If anyone can help it'd be greatly appreciated! Thanks for reading!

I would try unrooting, installing ruu from HTC website and see if problem is still there. If it is then you will be back to stock and can claim your warranty. If problem is gone then just reroot. This is a problem I have not read anywhere though so it is probably a hardware malfunction and would need to be warrantied.

Not a bad idea! I'll give it a shot and share the results once complete.

Installed stock RUU - screen lines still present so probably a screen hardware issue. Going to take it into the store tomorrow and see what they can do

[Q] Question regarding screen problem in my phone.

Hi,
I have Karbonn titanium S5 phone and it has screen problem. I am posting picture here. Screen looks fine when I switch on my mobile for just 1 second and then immediately this problem occurs. I tried hard reset too.
Check pixels how they are scattered or shifted from positions. I have attached picture as an attachment.
EDIT: Screen is fine when it is locked for few seconds and after unlocking again problem occurs in almost 5 seconds. I have tried installing everything from Stock rom to custom rom but that didn't help. Any Help will be appreciated.

[Completed] Note 3 Neo SM-N7505 Screen Issues

My phone is three weeks old and i just noticed that on white screens like google search screen there are horizontal lines flickering which disappear when i touch the screen and appear again when i remove my finger. Also they are more visible as the brightness gets lower. Also the first time i used my phone after a few hours of using i was watching a replay in clash of clans and suddenly vertical pink lines appeared and the whole screen was distorted (like a broken lcd monitor) and a restart solved this problem however it hasn't occured since. Last issue am having is when changing brightness it's not smooth ie the increase or decrease is not accurately gradual don't know how to describe it but you may call it flickering. These issues are not affecting anything but am worried that it may worsen overtime and become a problem. Any help or suggestions please.

Hi,
I see you already posted in your device section. So please wait for help there.
Xda Assist is here to help members navigate the site, not support. ?
Thank you for understanding. Thread closed.

[Completed] Nexus 5 BLACK SCREEN ( FASTBOOT ONLY)

I had my nexus 5 using multirom manager i had liquid smooth and paranoid android roms on it and i flashed ubuntu too the phone was working fine on all of the three roms.. the only issue i had was the microphone that wasn't working on phone calls but it worked only on speakers so i tried to change the mic piece and same the mic wasn't working. So i thought that it was something wrong with the software and i tried to flash a different kernel (Franko Kernel ) and i tried to flash couple GAPPS and nothing still with the mic problem and in the ROM i had a message that says com.play.services not responding so i tried to go on play store and upgrade the services and the play store wasn't working so i dowloaded some play services from chrome, after i installed the apt file i tried to reboot the phone and as soon as i did the reboot the screen had some rainbow an gray colored lines all over the screen horizontal and vertical lines, after that the screen was only black but i could see the backlight on it. I tried to restore stock with fast boot and still nothing i restored android 4.4.4,5.0,5.0.1 and nothing happen the screen was still black, the only thing was that the phone was able to be seen on fast boot and so i thought that the problem was the screen or the flex cable so i tried to buy a new screen i did ordered it from eBay and last night i changed the screen, but nothing worked I'm still having the black screen and the phone is still going on fast boot mode but I'm not able to use my phone... PLEASE HELPPP !!!!

Hi
Thanks for writing to us at XDA Assist. I had a quick search and found a great q&a thread for your device here:
[HELP THREAD] Nexus 5 | Ask any question
I'd suggest you ask your question there, that way it'll reach the most suitable people to answer your question.

Thread closed, thanks.

[Q] One plus one tearing / flickering lines issue

Got a 16 GB opo 1 mth back. Already troubled with random reboots..now I am also getting flashing lines / white dots on black background on the screen. Please help. I don't HV much info..however HV tried gesture and auto brightness disabling...I am on CM11...it downloads update for CM 12...but then does not install it saying system is up to date....some screenshots attached.
Any guidance will be appreciated..TIA