[Q] Need help fixing touchscreen after unsuccessful P769 bootloader unlock - LG Optimus L9 P760, P765, P768, P769

Hi all,
So I tried following the instructions from this post and this video, respectively:
http://forum.xda-developers.com/showthread.php?t=2277639
http://www.youtube.com/watch?v=WyNtFP_TkKc&feature=youtu.be
After hours of fighting with it and not getting anywhere, I flashed back to v20f via KDZ.
However... my touchscreen is still weird, even though the screen is no longer inverted. Can anyone please help me fix this issue? I'd like to have my phone working properly until an easier method is found...
Thanks for your help
EDIT:
Actually, I found a solution for this problem in this thread:
http://forum.xda-developers.com/showthread.php?t=2416536
I guess I should've searched a little harder!

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Okay, first time posting here. I searched a lot but there is no solution I can find or I am not good enough to do it without any help. If I posted in the wrong place, sorry. I found other topics which did not help at all.
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Hello everybody
My lg g2 device can't working at all !!
No logo, no download mod, no factory rest, even charge
That's happening after i install this rom
http://forum.xda-developers.com/lg-g2/development/rom-lg-g2-pro2-v5-final-acura-d802-d805-t3095500
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Sorry for my bad language
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Hello,
I have a OUKITEL K4000 that I had to flash after installing a malware app, unfortunately my touch screen axis is inverted like a mirror.
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Same problem. I try'it all kind of rom's from 4PDA. With all i have same problem: touch inverted.
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