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[Q] LG g2 D802 stuck on Bootloop help please !

Hi Guys,
i am in a big trouble after trying to downgrade my LG G2 D802 from official 4.4.2 down to 4.2.2 following the revert back to stock.
Its on a constant boot loop and i cannot even turn the phone off. its been going on for like 1 hour and i have no idea what i have to do
Help please !!

rugbi82 said:
Hi Guys,
i am in a big trouble after trying to downgrade my LG G2 D802 from official 4.4.2 down to 4.2.2 following the revert back to stock.
Its on a constant boot loop and i cannot even turn the phone off. its been going on for like 1 hour and i have no idea what i have to do
Help please !!
Click to expand...
Click to collapse
1.Plug the USB in and connect it to a pc that has the LG G2 drivers installed.
2.Hold the power button and volume Up simultaneously until you boot into download mode.
Report back if you're successful in those two steps and I'll guide you through the rest.

MK45A said:
1.Plug the USB in and connect it to a pc that has the LG G2 drivers installed.
2.Hold the power button and volume Up simultaneously until you boot into download mode.
Report back if you're successful in those two steps and I'll guide you through the rest.
Click to expand...
Click to collapse
Hi,
I have the same problem. I can enter in dowload mode, what can i do now ?

iliasse said:
Hi,
I have the same problem. I can enter in dowload mode, what can i do now ?
Click to expand...
Click to collapse
If FlashTool doesn't recognize your phone or just fails to flash the .TOT file, follow these steps carefully.
1. In Windows 7, go to start, right click Computer and choose 'Manager'------Windows 8? right click the Windows logo at the bottom left corner and choose 'Device Manager'
2. Assuming your D802 is in download mode and connected to the pc by USB, open 'Ports (COM & LPT)' and you should see
'LGE AndroidNet USB serial port(COMX)'
3.Right click on 'LGE AndroidNet USB serial port(COMX)' and go to 'properties'
4. Click on the 'Port Settings' tab and click 'advanced'. Another window will pop up, here, choose 'COM Port Number' from COMX to 'COM41' and click OK and OK again.
It should now look like this
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
5. Install LG G2 Drivers: https://app.box.com/s/hkcnfuuyno8bymurbak0
6. Instal LG FlashTool: https://app.box.com/s/h39upgmtvgzvjrp52clt
7. Once you've installed the FlashTool, right click it and click on 'Open File Location'. Replace the MegaLock.DLL with this one: https://app.box.com/s/97r8r6cpl7qhq3p5vhwi
8: Choose and download a .TOT file only! Do not download and use a .KDZ, it will not work! : http://storagecow.eu/index.php?dir=Xda/LG+G2/Stock/
9. Download this .DLL file: https://app.box.com/s/v9hmityntrc275js5ran
10. Put the downloaded .DLL and .TOT files in the Desktop.
11. Run LG FlashTool as Admin
12. Choose the .DLL and .TOT and click OK
14. Connect your D802 and then click on the arrow on the top left corner of the FlashTool. Wait until it shows 'Ready'
15. When FlashTool shows 'Ready' disconnect and then connect your D802.
16. It should now start flashing. Wait until FlashTool shows 100% and your phone will come back to life.
Report back if it worked.

It worked.
You are one awesome dude MK45A.
My phone is working again THANKS.

So, I have the same problem. Should I connect the phone in download mode or some other mode?

my phone got bootlop after download OTA LS980ZV7_01_TO_ZV8_13
what can i do??

Verizon G2 Bricked! Demigod Crash Handler! No Nothing!

I was going back to stock using the KDZ method and USB cable came unplugged during the process. It gets the secure boot error and is stuck in the DemiGod Crash Handler. Computer only recognizes the COM and Modem. NO ADB, FASTBOOT, DOWNLOAD MODE, RECOVERY, SAFE MODE, NO NOTHING. Anyone have the same thing happen?

NBreunig3 said:
I was going back to stock using the KDZ method and USB cable came unplugged during the process. It gets the secure boot error and is stuck in the DemiGod Crash Handler. Computer only recognizes the COM and Modem. NO ADB, FASTBOOT, DOWNLOAD MODE, RECOVERY, SAFE MODE, NO NOTHING. Anyone have the same thing happen?
Click to expand...
Click to collapse
This exact thing happend to me yesturday ... Freaking DemiGod Crash Handler Error mesg on screen !! if u find the solution please do let me know as well

maxpain007 said:
This exact thing happend to me yesturday ... Freaking DemiGod Crash Handler Error mesg on screen !! if u find the solution please do let me know as well
Click to expand...
Click to collapse
Plug into your computer via usb. Open device manager. If you see qhsusb_bulk then follow this guide to fix. Unfortunately I didn't get that therefore there is no fix...However I was very grateful because Verizon let me get an early upgrade. I now have a G3.

DemiGod cras handler: critical error
Good day, if flash bootloader changer on my lg g2 verizon on cloudy3.3...
this is what i got at the end of the day. Is their a way out please help me out. What do i need to do to make my phone come up again because it will not boot saying somthing like....
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
please help

Well bro I was stuck with the same issue..
This happens to me when i flashed a wrong twrp recovery for lg g2 d801 and it was stuck in critical error i was also unable to access download mode ..
But my Good luck was that i recovered it by doing silly thing ?
So i do following things. But make sure u know the corrert version of your lg g2 to flash kdz file with lg flash tool and also must have lg drivers intalled.
Steps to perform.
1. While in critical error screen you have an option to press volume up button to boot into download mode( although it will not boot to download mode) but still press volume up button so your Pc can detect your phone.
2. Now flash a kdz file of your lg g2 with flash tool. ( you can google for it to download flash file for your lg g2 and how to flash it with lg flass tool.)
3. When you will try to flash it will fail..
4. Now power off your phone by pressing power button.
5. Now boot to download mode and flash the correct kdz with lg flash tool and u r good to go..
To acess download mode power off your phone immediately press volume up button and while keep pressing it and plug in usb cable and you will be in download mode

G2 F320 bricked phone, help!

Hey guys. Today i've bought LG G2 F320L korean mode. So i was happy because it was cloudy 3.3 already installed but...after reboot i see green logo Apps Watchdog Bite! I can't enter download mode, my pc can't recognize my device and i can't enter the recovery tho... Any ideas to help me unbrick my LG G2 ? I hear something about flash stock .bin files which i have on my pc but no idea how to do it when my pc can't find my device.. help

After ordinary reboot ? No wipe ?

@bender_007 mate i can't do anything. i just bought it when cloudy 3.3 was installed. now as i said i cant enter into recovery, download mode and it isnt recognized by pc. + this green apps watchdog bite...
god damn, any ideas?

Can you take a picture? Green dog..?
Poslano sa mog LG-D855 koristeći Tapatalk

To be honest i cant do at the moment using Nokia Asha 303 so this camera is horrible but i can tell you what exactly it says.
Apps Watchdog Bite!
DemiGod Crash Handler : Apps Watchdog Bite!
Press key to choose Dload Mode or Reboot
1) Volume Up: Dload mode
2) Volume down : reboot
If you choose Dload mode please do following action
1) Dload Mode, please connect usb
2) get the ram dumb image using QPST Configuration
Board info:
rev, 1.1 speed.pvs : 1,2 serial : 003455520e08aba8
if it something tells you it would be cool. i tried to go download mode but after it says "entering download mode" its something like lag and i cant do anything. Also tried combo (on turned off phone) power+vol up so korean lang appeared. Sorry for my bad english, hope u understand what i told.
And btw wondering how prev owner just installed Cloudy 3.3.. cuz he had same problem with this kind of brick, but he didnt answer me
edit; now i can be in mode in what i can't see anything on my lg screen ( pure black) and if i plug in my usb cable i see mass of partitions along with " switch off qhsusb_bulk" what to do ?

Qhusb bulk - refer to 'lg g2 fix no download mode, no recovery' and use SRK TOOL by somboons
Poslano sa mog LG-D855 koristeći Tapatalk

Hey guys. still got problem. It was flashed succesfully (SRK tool to fix dload mode + .tot files) had 4.2.2 android but sometimes it was rebooting and catching bootloop and sometimes it booted succesfully. Tried to fix it by LG support mobile tool, and it was closed to finish repair my firmware but when it rebooted into download mode (progress was like 13% it went into qhsusb bulk so it was interrupted. Now when i boot my g2 i see in right corner small letters like error security boot then it goes to white window ->
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
no download mode (can't even see it cuz whatever i do is this white window), no recovery, no qhsusb bulk. sometimes when i plug in usb between pc and my g2 i hear plugin sound. and in device manager is something like LGE android COM4 ? something like this...
Is it any other way instead of http://forum.xda-developers.com/lg-g2/general/lg-g2-unbrickable-fix-real-hard-brick-t2904404 ? my model is F320 but guide is about Dxxx. Guys really help me, seems like its bricked forever

LG L Fino D290N boot certification verify error, download mode doesn't work

Hi xda!
Today I woke up, ate breakfast, cleaned my teeth and then turned on my LG L Fino. And then.... I saw an error like this:
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
What is going on? Yesterday it was working.....
I can't flash stock .kdz from recovery, because it doesn't work.
I heard about flash using .tot method, but I can't find any .tot file for L Fino.
What should I do now?

And i have same problem
My LG L FINO D290n is show me thats message.
"ERROR: Boot certification verify"
[1110]: Secure booting error.
Can anyone know how to fix iz?

Here is the .tot file: https://drive.google.com/file/d/0BxxUwn_322_KOVhPRjEzb2M0QVk/view
download mode does not work?

Yeah,download mode not work,when i press vol+ then connect usb my screen is show purpple message with text
DBI Apps Watchdog Reset!
DemiGod Crash Handler : DBI Apps Watchdog Reset!
Board Rev.:1.0
Ram dump mode.
Option : SD card ram dump mode.
Push below files to sdcard before test.
rdcookie.txt, rtcookie.txt
Please do following action.
1)Ram dump Mode. Please connect USB.
2)Get the ram dump image using QPST Configuration
3)If sdcard ram dump enabled just wait for reboot
4)Collect ramdump files from your pc or sdcard)
5)Send e-mail to [email protected]

Do you have twrp?
If yes,
does it still work?
PS: I can't help you if you are offline all the time

Yes friend,i have twrp because im try to use all of this solution and nothing happend.
I think this is problem with emmc chip "maybe"...

You tried the .tot method 4imb0t mentioned?
Here is a flashable .zip for the D290N: https://drive.google.com/open?id=0B0rYlJ-tfKhNcFRfdnFlbjlMa3c
I created the zip for myself, because my download mode didn't work.
After flashing, TWRP will crash.
Then you simply have to enter the download mode and flash a kdz.
BUT I'm not sure if this is going to work.
DISCLAIMER:
I'M NOT RESPONSIBLE FOR ANY POSSIBLE DAMAGE DONE TO YOUR DEVICE AS A RESULT OF FLASHING.
I WILL NOT TAKE ANY RESPONSIBILITY FOR BRICKED PHONES OR LOST DATA.

Sorry for long absence, I had no time.. But now I have it, so I want to repair this phone and...
now my Fino doesn't power on... I tried:
1) Power On normally using Power Button
2) Go to Download Mode
3) Remove battery and go to Download Mode
Nothing works..
But when I plug it to computer everytime I hear that Windows sound and in Device Manager I see:
But the screen is still off...
When trying to flash using TOT Method I see:
What to do now?

So the recovery doesn't work?

Yes. Recovery doesn't work, I can't boot to recovery, I can't even boot to Android and the screen is all time black.

You tried this guide here, right?

I just tried it and the result was:
But the phone still doesn't boot and still is being detected as Qualcomm HS-USB QDLoader 9008

Maybe you have to do the last step from this tutorial.
Sry that I can't really help you, but I gave my old L Fino to my mom like a month ago.

4imb0t said:
I just tried it and the result was:
But the phone still doesn't boot and still is being detected as Qualcomm HS-USB QDLoader 9008
Click to expand...
Click to collapse
Did you try to boot in download mode and flash kdz ? It's the last step from the tutorial.

I own an LG D290n . I had to do a factory restore via buttons after a Google update bug. It was crashing some Google service and couldn't do anything to fix it. Strangely neither factory restore worked giving me the same exactly error. I finally downloaded the latest Rom I could find I think it was 4.4.2. I pushed it using official Lg Utility from fino page and worked like it should be just fine. After about 2 months the problems continued , the phone stucked at boot with the known pink message dbi error demigod crush etc unfortunately I didn't took a photo. After reading a lot found a guide for unbricking my phone. UNTIL THEN couldn't go into dl mode or anything except factory reset giving me the same error. After the guide using qfil the phone stayed black . Boarddiag passes ap but not emmc. The phone is stuck on 9008 or if I play a little in diagnostic 9006. I played with battery and cable only , the buttons don't work tried vol up . Any guy want my teamviewer to check? Thank you in advance

if boarddiag is not passing emmc test it means your emmc is faulty/dead, no fix for this that I know unless you replace eMMC.

LG DM-01G
I am facing same error, for LG DM-01G.
help please

How can i open my LG LFINO. It already dead set. But before that i shown that was a watchdog error in the screen.

Bricked my A2017G

Hello guys,
I tried to update my phone to Nougat and I guess I totally failed.
First I just tried to flash this rom: https://forum.xda-developers.com/axon-7/development/rom-purefusionos-official-t3670580 and it did not work. So I thought I might have to update the firmware first and installed the A2017UV1.1.0B32 NOUGAT Update from this thread: https://forum.xda-developers.com/axon-7/development/rom-guide-updates-to-stock-files-via-t3469484. I found out I had to flash (with TWRP) the firmware's G version so I took the A2017G_N_Modem.zip from this https://androidfilehost.com/?w=files&flid=148464.
Now I only get the "your device software can't be checked for corruption. Please lock the bootloader".
Can somehow help me and tell me if and how I can get a rom working again?
Thanks in advance.

Check forum. There are topics to unbrick your device.

Yes, I read the forums. My Problem is that I cannot enter the EDL mode for example. When I git Power + Vol Up + Vol down nothing happen except a shot red LED.
EDIT: I cannot get into fastboot aswell.. Always that screen with lock your bootloader. Pretty much the only mode I can enter is recovery with TWRP.

multimill said:
Yes, I read the forums. My Problem is that I cannot enter the EDL mode for example. When I git Power + Vol Up + Vol down nothing happen except a shot red LED.
EDIT: I cannot get into fastboot aswell.. Always that screen with lock your bootloader. Pretty much the only mode I can enter is recovery with TWRP.
Click to expand...
Click to collapse
When led blinked you are on EDL mode. Screen is black on edl mode.

Yeah I got that an now i completely **** up -.-
I made it to go back to stock. I saw yeah got that B10 version now so I tried to flash PureFusionOS and Beans GApps. Now the screen is just black when I start the phone and my computer (and one other I tested) cannot flash the the edl version via Miflash because the phone is not recognized.
When I try to enter EDL the led is not blinking anymore. Its just showing red.

multimill said:
Yeah I got that an now i completely **** up -.-
I made it to go back to stock. I saw yeah got that B10 version now so I tried to flash PureFusionOS and Beans GApps. Now the screen is just black when I start the phone and my computer (and one other I tested) cannot flash the the edl version via Miflash because the phone is not recognized.
When I try to enter EDL the led is not blinking anymore. Its just showing red.
Click to expand...
Click to collapse
Do you see your device on Device Management? If yes, it is on edl mode. go on other steps
BTW, use this guide.

WesTD said:
Do you see your device on Device Management? If yes, it is on edl mode. go on other steps
BTW, use this guide.
Click to expand...
Click to collapse
Where should I see in the device manager?
EDIT: I do hear a sound when connecting. But I dont know where to find it in the device manager. In which category.
EDIT2: Well I see one device here, but neither the Axontool nor Miflash regonize it.
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}

multimill said:
Where should I see in the device manager?
EDIT: I do hear a sound when connecting. But I dont know where to find it in the device manager. In which category.
EDIT2: Well I see one device here, but neither the Axontool nor Miflash regonize it.
Click to expand...
Click to collapse
Good luck. Your device on DFU Mode. There another guide about it.

multimill said:
Where should I see in the device manager?
EDIT: I do hear a sound when connecting. But I dont know where to find it in the device manager. In which category.
EDIT2: Well I see one device here, but neither the Axontool nor Miflash regonize it.
Click to expand...
Click to collapse
4th category brick repair manual, google it