fast boot started lg g3 d855 - G3 Q&A, Help & Troubleshooting

hi im using lg g3 d855 and im trying to get into recovery mode but i cant it always get stuck on some text with black background saying " fast boot started ' i have to take of f battry to boot into os again all works fine i just cant get into recovery i tried to install costume recvery but still no help anyone know how to fix it ?

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[Q] G3 D850 stuck in fastboot, no download mode

Hello friends i have LG G3 D850 (AT&T) 32GB . I tried to format the phone and suddenly the process stopped and now i stuck in boot loop(fast boot) the phone start to the AT&T logo than dim to black screen and go again..
When i tried to get into download mode it's shows me "secure booting error" dim to black screen and the led is flashing red&blue.
i've found this http://forum.xda-developers.com/showthread.php?t=2477595 thread but couldn't find the right files can you help me? please!!!

[Q] Bricked G3

Hi everyone, new member. Recently my g3 got in a bootloop so i hard reset it. Everything seemed to work fine but after a short time the device used to get stuck and restart. I followed a guide how to revert back everything to stock but something went wrong and the device got stuck on MiniOS and then Reset Status 2.
i tried to fix it by flashing it with .kdz file but for some reason now when i turn it on it says: Secure booting error and the screen turns black and the led starts flashing red and blue.
I cannot access download mode cause it goes straight to the lg logo and black screen but u can access recovery mode. i already tried a hard reset but its no use as the device gets back to the black screen.
Any help would be immensely appreciated as this is my second g3 in 4 months and im tempted to throw it away.
Thanks and good day
Post your device model variant (D850, D851, D852, etc.). Also check out these two threads...
[Q] Bricked LS990 - Can't access recovery or download mode ...Specifically post #16
http://forum.xda-developers.com/sprint-lg-g3/help/bricked-ls990-access-recovery-download-t3053985
[q] lg g3 d855 hard bricked no download mode or recovery!
http://forum.xda-developers.com/lg-g3/help/q-lg-g3-d855-hard-bricked-download-mode-t3090911

lg g4 problem

hey im new in all this my phone is stuck on blue screen with tim logo thats what i did:
u have lg g4 h815 marshmallow 6.0 i wanted to root my phone so i used this site for it
the guide tell me to unlock bootloader so i did it with this guide ibtimes.co.uk/how-root-lg-[/url] g4-h815-using-supersu-1506045
when i dont section 15 i got massage in lg logo that my phone is unlocked but when my phone turn on i needed to setup all the settings again as if it went into factory reset, so i did it
and then i got the white screen with phone and camera apps, and it says swipe to unlock when i do it i see the screen with background i had before but it flashes and there is nothing on it
i only can enter the apps i have in the white screen
i tryed factory reset didnt work
i download twrp recovery and tried install new rom couldnt install the rom
then i tryed to root it with the above guide via twrp recovery it says it succes but then my phone got stuck in tim logo screen and i cant do nothing with it
sorry for bad english i hope some one can help me figure what to do

[Help] Possibly Bricked LG G3 D855

My LG G3 is and international D855 and is unable to enter recovery, with the phone going black after the twrp logo shows for a few seconds. The phone has no OS installed because I was going to flash a custom rom so there are only bootloops when booting up the phone. Entering download mode is not any good either because a message appears saying secure boot error and the phone goes black with only the LED flashing Red and Blue, I tried going back to stock with fastboot but in the process I lost the ability to enter fastboot, is there any hope
I'm hoping somebody can help and I would be extremely greatful, Cheers
If you can't access Download mode or fastboot mode.you have to do this as in thread.
http://forum.xda-developers.com/sprint-lg-g3/general/guide-fix-hard-brick-recovery-guide-t3132359

Lg g3 as990

so i used a guide to to turn the as990 to a ls990 a while ago and just yesterday it . it would not boot up anymore just showed the lg screen and then turned black and would just show the notification lights , i thought hmm ill just reset it but when i tried to apparently i dont have a download mode i dont know when i lost it. i try to go into it but it just shows the battery logo and then just charges normally so now im stuck. i still have twrp any help?

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