unstable, flickering backlight - Xperia Tablet Z Q&A, Help & Troubleshooting

So I upgraded my SG321 to 4.2.2, but now my screen is slightly flickering. Didn't notice this in 4.2.1. Anyone else having this problem and was able to fix it?

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screen flicker

Guys two days ago my motherboard was changed due to an emmc brivk......after that i installed wanamlite uhlps rom and siyah kernel.........now i am noticing a flicker on the screen sometimes and sometimes it doesnt,,,,,,,,the flicker can be seen more precisely when play store is opened,,,,,,,,,,it flickers a lot in the loading sceen........what do u guys think the problem is??........ROM or Hardware?? or maybe the display is not connected properly to the board......confused a lot.......please help

Jittery touch screen when not charging

Hi all,
I have a little strange problem...
I've read threads people report they have a problem with the touch screen calibration (gets jittery, activates parts of the screen without touching them, etc.) when they charge their SG2, but when they disconnect it the problem is solved.
Well, I have it all backwards.
When my phone is charging, it acts fine. When I disconnect it, the touch calibration gets all funky.
Any ideas on what to do?
Some specs:
It's a I9100G, and I recently went to a phone lab and changed my screen (got broke). Running CM10.1 latest nightly.
Thanks in advance!

[SOLVED] Screen sensitivity could be crazy

Hello,
I have a problem, sometimes the screen think I touch it but I don't touch it...
I press one area and the phone do like I have touched it a lot of quickly.
I have this problem with all ROMs tested: PAC 4.3, few 4.4, thus I think it's an hardware problem.
If I clean my screen with cloth it's okay, but sometimes the screen is very clean when the problem come.
There is a way to change screen sensitivity or other testing software or... ?
Thx
Indeed there is. You're already rooted, so problem solved.
http://forum.xda-developers.com/showthread.php?t=2522657
Sent from my C6806_GPe using Tapatalk
Well done John!!! :good:

Screen flickers (very little but noticable)

I've noticed that my screen flickers on AOSP roms such as Bliss POP and CM12. That is the reason why I am on stock rooted ZV6.
I am wondering why it flickers. When I say flicker, It doesn't flicker really bad as in a tv screen on a channel that doesn't work but flicker as in goes from low to high (just barely noticeable) and it is annoying and makes me worry about my phone.
Is my phone defective? Or is this a known issue on AOSP roms?

[Q] lcd is quite sensitive and annoying

hello, I am currently facing problem related to LCD its been more then a month phone is updated to lollipop 5.0.2 but still there is issue
Xperia z2 LCD is quite sensitive even if i don't touch anything, LCD is quite sensitive or i can say very responsive any help or solution this is quite annoying anyone else having same issue?
fone is unrooted and bootloader is lock any help please
thanks in advanc
My device is 9 months old and I am facing this problem since the beginning... There is no solution for this problem yet.
This may sound stupid but do you have the glove mode on?

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