Stuck on LG logo screen - G3 Q&A, Help & Troubleshooting

Hi friends.
I think I've already tried all things to solve this as using LG PC Suite repair feature, using LG Tools installing another Original Rom and replacing the battery but It still stuck it the same screen.
If I wait It will appear "Android is installing' but when it finishes it geta back to the LG screen with the notification LED blinking in blue or green-ish.
What should I do I don't have the warranty anymore .

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[Q] Bricked LG G3 (Stuck on logo)

I Cannot recall doing anything wrong with my LG i woke up one morning and it was black screened with a small headline in tiny font at the top saying 'fastboot mode enabled' from then on I tried restarting it and trying all the hardware methods of factory restoring it however it does not respond to these requests? I am fully aware that all hardware on the phone is working it just wont respond and displays the LG logo screen for a long period of time until it then black screens as displays what i explained i found it like above? I have researched and not found any methods of restoring my LG G3 that work. for example one method requires you to hold the volume up button whilst plugging a USB into the bottom of the phone, this is meant to display the firmware screen however mine just displays the logo. Does anyone have any advice on what i should do to reset my phones software if the hardware resets are not responding?
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plz help me ..too slow my lg g4 H818N indian model

its to slow since week..
cant open app fast... when tap on app..to late opening....
and also back button work late....
and when i put charger in automatic on its self...if phone is off....
and i see in both side of screen also red spot when screen is black see red spot both side of screen red
and typing also late.....
plz help me guys.....
Reset your device and see.auto power ON is a feature and it is not a fault.it is there from the beginning.
No one can help me out....
flash ur models kdz using LGUP or Lg flash tool 2014

LG G3 clone d855 Black Screen No Logo

Hello I Have A lg g3 clone d855
There was some virus in it by some way
due to which it automatically open file and run it
After few day When i restart the phone
The lcd was working but it seems black and no logo on Startup
Red led is working by awake phone , by pressing power button
And Blue Led work on Start up
Kindly help me
What i have to do .. to make it working it again
Pics Are Attached Below

LG G2-LS980, HELP PLS, NEW SCREEN, only logo shows sometimes for 1sec at startup

Hello
- My LG G2 cought water but worked fine months after i dryed everything
- then one day my screen stoped working and i bought a new one on Ebay
- replaced the old one with the new one
- when pressing power button, phone starts, sometimes shows the LG logo for a 1sec and then goes blank, but phone works
and i see the light of my new screen under it
- connected my phone via Vysor to my PC and did factory reset in the settings of my LG G2
- with Vysor i can see my phones display over my PC but the screen on the phone stays black
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Lg G3 screen stuck on boot screen

Very strange problem. I have a LG G3 D855 for 1 and a half years now(rooted)
My phone was at a very low percentage, and I heared it go out. Happens to everybody, nothing strange so far.
I connected it to the charger and I turned it on, i heared the startup noise, but nothing happened. No pincode screen or unlock screen. Stuck at LG life is good screen. I actually was able to take a screenshot, i heared that sound when pressing power and volume down key. I know it is just right away from the main screen, but why is my screen freezing at startup logo? Tried to hard reset and clear all data, then I get a secure confirmation (verify) error. then my led starts to flash red and blue. Battery taking out and still no success.
How to fix this? Also screen is recognizing touch at the startup screen (when it fades away i click on it and it turns brighter)
EDIT: I blindly went into whatsapp and i am able to type and answer calls blindly wtf. Now I got a blue screen, everything is operational, the screen is blue now
Phone is functional, the screen is stuck on boot (life is good screen or blue screen)
How to fix?
Lol, the day after I hit my phone on the screen and restarted it and it worked again! I really dont know how it works again, but lmao! Also my secure boot sector is not working, that problem has nothing too do with this fixed one.

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