yashsingh1/xdaforums huggingface dataset:
[G2 General] raptorddd:
got my twrp deleted so first time ever i had to go to stock KITKAT everything went fine,i rooted phone installed autorec. got twrp, updated twrp and flashed hybrid bootsacks then................................

my situation.

turn phone on/ i get

error boot certification verify

[940] secure booting error!

[990] cause: boot certification verify.

this at LG logo, then screen turns dark but still on.

cant enter recovery.

if phone is screen dark and plugged in /device manager i see QHSUSB_BULK yellow

and many hard drives show up.

i can enter download mode, but in device manager i see G2 with yellow icon in portable devices

and in port COM LPT: LGE mobile serial port COM 5

what should i do. trying flashtools after ready and unplug and plug usb chord flashing doesnt start.

ive tried changing port COM 5 to 41 but it says in use and says i could get conflict.

am using the flashtools titled KITKAT the easy way for d800. kdz is bundled along qith flash tools i have 20 files part.
[G2 General] Aisfkhan:
You both have the same bricked which i just solved about an hour ago....

SECURE BOOTING ERROR.

and the only way to get your phone working is to use Ubuntu or Linux OS.

Follow this link

http://xdaforums.com/showthread.php?t=2582142
[G2 General] hyelton:
That kdz does work.. What do you mean unable to connect lg software update server?? There's no software update server error. Or do you mean server connection error? That's NORMAL that's supposed to pop up, you drag that window over and not click anything.
[G2 General] Aisfkhan:
Ohh sorry didn't noticed that it is working behind

"Currently in Love with Htc one M8"
[G2 General] hyelton:
Yes :)
[G2 General] onurel:
Sorry dude but im just asking which version of tot i should install to get back to 5.0.2, with my d802
[G2 General] hyelton:
There's none. For 5.0.2 you'll need to use the kdz method.
[G2 General] onurel:
Okay but, during the kdz method the LG help program crashes right after kdz method otomatically opens it.Should i have to wipe before that? iF yes what kind of wipes?

By the way im using bliss 6.0 ROM and twrp
[G2 General] raptorddd:
you dont need to wipe. if program chrashes try in a different computer. or. reformat your pc.
[G2 General] Eric_B70:
I tried to install CM13 nightly on my LG G2, NL/EU version D802. It was running stock Kitkat 4.4 from LG.

Rooting went fine, install TWRP 2.8.6.0 and got error booting "Secure Booting Error! Cause: boot certification verify". Fixed that by using Rec-something (autorec?) app and reinstalling Twrp 2.8.5.0.

Installing CM13 image failed too, but I lost my open tabs in my browser so I lost the error message. When I searched for it it seemed that it had to do with running the wrong Twrp version.

Since some of the guides were using CWM 6 succesfully, I installed that. It went fine. Booted into recovery and trying to flash CM13 it said it couldn't install on top of another version or something (again, lost tabs, sorry). Some threads here suggested to wipe cache/data and dalvik, then try again. The device got stuck on format cache (data went fine) and I had to turn it off. I tried sideloading CM12, chose sideload from the CWM menu, and did a 'adb sideload cm12-filename', and it finished fine. Now, im stuck in a bootloop with corrupt cache and data partitions.

I can get into CWM and download mode, but CWM throws me error messages that it cant mount cache (and data, I believe) so I figured I need to go back to stock, using this threads' OP.

Problem is, I'm not sure which file I need to download. I got this file:

storagecow.eu/Xda/LG G2/Stock/KitKat/ Netherlands Open 16GB KitKat D80220D.kdz

The lg flash tool gets stuck on checking the phone and then after a few minutes aborts.

I'm now trying to download the tot version:

storagecow.eu/Xda/LG G2/Stock/D802 tot/ LGD802AT-V10b-EUR-XX-SEP-07-2013-16G.exe

But the download is rediculously slow and has already failed several times. I tried to find a mirror ... no luck.

I really could use some help on which file I need, or maybe there's a way to fix this some other way and get CM13 going?

Would really appreciate some help!

Thanks.
[G2 General] hyelton:
On the kdz method, what was the error? When you see server connection error you move it over clicking on anything will cancel /abort the flash.

If your downloading from links in the OP, its nowhere near slow :p. If your having slow speeds I'd suggest you use a download manager

Just checked speed, its fine here about 3 min to download on my connection.
[G2 General] Eric_B70:
Thanks for the prompt reply!

I'm on a 200mbit cable connection and almost always get 24MB/s download speeds. In games I typically get less than 20ms latency. The download starts at 900KB/s, slows to a 100KB/s, then drops to B/s, finally it fails. PS. which download manager would you suggest?

Anyway, the kdz simply hangs after I enter all the settings (I followed the guide to the letter, COM port, reboot, etc) and after a few seconds it fails, asking me to retry.

I now actually got the original LGMobile Support Tool recovery method to work by entering the proper model number and S/N. I was entering "D802" instead of "LG-D802". It is downloading but it also failed telling me to disconnect and try again.

Thanks again.
[G2 General] hyelton:
Just free download manager just google that there're all pretty much good. Could be your location. My server is on a 2Gbps port.

Also you are using sub 2.0 and the cable that came with the phone? Some have reported issues with a non lg cable. And usb 3.0 won't work at all.
[G2 General] Eric_B70:
I'm using USB 2, I am now trying another port at the back of the PC.

Can you please advise which file I need for my LG G2 Netherlands, 16GB unlocked SIM. Should I prefer the kdz or the tot exe?
[G2 General] hyelton:
Just make sure it has 16Gb in the file name and matches your model. It's just whatever method you want to do. I'd suggest the tot method.
[G2 General] Eric_B70:
Thanks alot for the prompt help mate, it finally worked (kdz)!

Pfew, now that I'm back to stock, maybe someone here can point me to a proper, working method to get CM13 on there? I mean, which version of Twrp (or CWM?) and some other details I'm missing?

Thanks again!
[G2 General] raptorddd:
if you on KITKAT then proceed with root.

use auto rec for KITKAT install twrp thru autorec

search for blastagator thermal twrp 2.8.7.3 as new has issues i get boot loop this is how i learned going back LOL.

install 2.8.7.3 dont reboot to system reboot to recovery again to be in new recovery. then flash

this bootstacks

http://xdaforums.com/lg-g2/development/lg-g2-bootstacks-t3173715

use the one for your variant and one that says 5.02 kitkat bumped.

same procedure as twrp you do both while in twrp from auto rec.

flash new 2.8.73 reboot into recovery.

flash bootstacks reboot into recovery.

now to flash lollipop in my case d800 there was a flashable kdz. i just flash and am in LP

and start procedure , root and use autorec for LP in playstore.

install twrp 28.7.3

if you going to install cm. then this time use hybrid bootstacks

http://xdaforums.com/lg-g2/development/boot-g2-hybrid-bootstacks-t3183219

and same you flash bootstacks /reboot into recovery then cm rom and itll boot. if you using RREMIX then you must use differnt bootstacks.
[G2 General] Aisfkhan:
Lol none of bootstack is working for the latest build Rom based on CM for D801...I have tried all the bootstack and every time I ended up with my bricked phone...and now I'm too familiar with LG G2 unbricked :P and now I don't care if my phone get brick by anything whick I flashed wrong :P because I know I can recover my phone by Ubuntu :P

And btw I'm rooting my phone since I bought Samsung S2 and believe me this LG G2 is the worst software to Root and install Non-stock Roms.
[G2 General] BA0714:
Sorry if this question has already been answered which can't seem to find, LG g2 Vrz here on lollipop 100% stock, I am trying to downgrade back to 4.4.2(kik) by following the instructions giving, I followed all the steps, when I'm ready to hit start (tot method) it waits couple seconds, then I get either wrong model or fail, I tried 4 times still getting the same message, I really want to go back to 4.4.2 I just can't, not sure how to make it go through without getting that error message, oh before I forget yes I did try the other dll instead of my model one, still getting the same message, I'll appreciate the help, please someone, thanks
[G2 General] Aisfkhan:
You can use the unlocked dll file..which can be used in every model of G2
[G2 General] jammyjamil:
plzz help!!!!!!

my lg g2 international version is bricked........the phone boots into twrp everytime. when i put my phone into download mode and and follow the steps.........the phone starts loading stock rom and then stops at 15%.................. it gives the error " connect usb and retry". ihave installed all the drivers perfectly. i dont know whats the problem. someone plzz help.
[G2 General] dornellasrj:
I have a brazilian D805 and tried to install custom recovery (TWRP).

I did normally the restore .zip and reboot the system. The device only boot at fastmode and custom revovery doing a hard reboot... My cache and boot was probably conrrupted with something that I don't know.

So I tried to install the CM11 at recovery and failed. I tried a lot of things and nothing.

After that I use the fastboot at windows to install a boot and recovery .img and reboot. The device now crash at boot and get a message about security error and stops with a black screen.

Now Only the download mode works and this method stops at 49% at all three times.

Tonight I will try change the COM port and pray to works... if not, I really don't know how can I proceed =(

OBS: I'm using Windows 8.1. My hope is works with Seven or XP... Is There some difference?
[G2 General] jonathan4tw:
Is the Flash tools suppose to look like this?
[G2 General] jaidev.s:
Yes
[G2 General] jonathan4tw:
Then where do I put the huge .TOT file?

op reply pls

op pls

pls
[G2 General] tuxing:
Not sure whether its old news

just found this new firmware at lg site for indian g2 d802

http://csmgdl.lgmobile.com/dn/downloader.dev?fileKey=FW571885432109876543213/D80210C_00.kdz
[G2 General] RedMist:
4) Power off your G2, press Volume Up & Down key and then plug in the usb cable (enter to a download mode)

This is driving me nuts.

I hold on up and down (leaving power button alone), insert the USB and every time I get the autoplay window, and 10 boxes telling me I need to format disk H: I: J: .... up to S:
[G2 General] os2baba:
Exactly! This whole hold down the volume and click on the power button to take snapshots and hold down the power and vol down+up combinations drive me insane as well. I can never get it right. Which is why I normally just hook it to the PC and type adb reboot bootloader/recovery. Unfortunately doesn't work yet on the G2.

I can't get it in the download mode either.
[G2 General] RedMist:
I need to get in, my phone is bricked without reverting to stock. :(
[G2 General] os2baba:
Does this take you completely back to factory?

This is my first non Nexus LG device. So am not familiar with rooting on them. On the Nexus devices, I can go back to stock ROM, recovery and re-lock the bootloader. On the Samsung, using ODIN, I can go back to stock and return it without Samsung knowing that I had rooted the phone and avoid the hassle of warranty getting voided.

Will this do the same? If I root the phone and some problem crops up later (LCD display/ heating up etc. Some hardware problem that has nothing to do with rooting - I never mess around with increased clock speeds), will I be able to get it back to stock and return it to get fixed? In the IORoot thread, there is a reference to tripping 'rootchecker'. Is that be reversed by this process?

Thanks.
[G2 General] fabyprado123:
has anyone ever gotten this message when using the flashtool to return back to stock ?

FBOOT Complete Time [0s] 1th try

Booting time : 121 sec

FRST status Check....

Factory Reset Flag = 6.

Factory Reset Flag Check Fail!!!

[22:11:35] Factory Reset Flag Check Fail!!!

00000064

Error: [22:11:35] Factory Reset Flag Check Failed

Anyone ?

---------- Post added at 07:22 AM ---------- Previous post was at 07:22 AM ----------

has anyone ever gotten this message when using the flashtool to return back to stock ?

FBOOT Complete Time [0s] 1th try

Booting time : 121 sec

FRST status Check....

Factory Reset Flag = 6.

Factory Reset Flag Check Fail!!!

[22:11:35] Factory Reset Flag Check Fail!!!

00000064

Error: [22:11:35] Factory Reset Flag Check Failed

Anyone ?
[G2 General] os2baba:
Hah! Got into download mode finally!

Used the instructions here http://xdaforums.com/showthread.php?t=2448960 - That's for the Verizon version and I'm on Sprint. I just used the instructions to get into Download mode.

It's not Vol Down and Power and plugging in the USB cable. But a much much much simpler Vol Up and plug in the USB. You can actually accomplish that with just two hand :) That finally also kicked off the driver installation. But that's just taking forever. I think I'll look for drivers in the official LG site and see if that would work instead of the ones from the OP.

Edit: The Drivers from this post (http://xdaforums.com/showthread.php?t=2521276) worked

Install USB drivers. http://www.lg.com/us/support-mobile/lg-LGD801BK. Use the Tmobile D801 USB drivers since it is the same as the AT&T drivers and the LS980 page only had directions to update drivers via the LG Mobile Tools.
[G2 General] dagrio:
I'm wondering the same thing. Every tutorial I've found shows a completely different screen than what I see. Someone help? :(
[G2 General] hyelton:
No.... Only for kdz not tot files
[G2 General] hyelton:
What phone are you trying to flash that uses tot file? Your apparently not reading the OP..... Sprint, att, and Verizon have there own method and didn't flashtools....
[G2 General] l2phile:
Ohhh man, after 500 failed tries i saw at Cyanogenmod wiki of D802 that we can enter with Volume UP and then the usb cable.

Please update your first post, so others can be helped as well.

Thanks for the guide :good:
[G2 General] nilesd:
RETURN TO STOCK AT&T & Sprint Version ONLY!

Download

1. LGFlashTools v1.5 - Download

2. Drivers - Download

3. Download Both Stock Image File and DLL (Both Files) - Download

Credit to [MENTION=1436971]madmack[/MENTION] for making most of this Guide for the G Pro Which also works on our G2

3.1 - FOR SPRINT FIRMWARE - http://storagecow.eu/index.php?dir=X...print+LS980/

Install

1. Install the LG drivers downloaded above.

2. Install LGFlashTools v1.5 (but don't run it)

3. Extract the TOT file from the ZIP

trying to follow this none of the links work. I take it storagecow.eu is down? anyone know of a mirror?
[G2 General] hyelton:
StorageCow.eu is NOT down.... You posted/ Tried that link right as I removed the files to put them back lol. The link will be working in about 10 min from this post.
[G2 General] hyelton:
I have corrected that in the OP. Thanks :)
[G2 General] piedra92:
I just tried to download this and can't find the Sprint drivers. Can you tell me when they will be available? Thanks.
[G2 General] BA0714:
I have already tried that one "LGUP_8974.dll", it gives me error message where it says fail, thanks for the reply
[G2 General] Aisfkhan:
Did you check your download...maybe the file you downloaded is corrupt and there is kDZ method you can try that too
[G2 General] BA0714:
Well I downloaded through my phone, and how would I know the download is corrupt? I do appreciate you helping me
[G2 General] hyelton:
Downloading it with your phone says it's most likely corrupt. Never download large files with your phone. Unless your using some sort of download manager app.
[G2 General] hyelton:
What error message?

I seen in your above post you said wrong model or "fail" what is fail?

If your getting wrong model that means your trying to flash a wrong model firmware, or your running a non stock firmware, or you've changed your build prop.
[G2 General] BA0714:
OK I re-download the tot file on my computer, it's still giving me the same error message, I even tried with the unlock .Dll, the error message I get is "CrossDL to [VS980]. Swversion " I will post two photos if the error message I got when trying to go back to stock, I do appreciate that you guys are trying to help me out, thanks
[G2 General] hyelton:
Yeah but what's the error that it says with the normal dll? You never said. Also have you tried choose board_dl on the tot/dll selection screen.

Phone in download mode? And using a usb 2.0 port along with the cable that came with the phone?
[G2 General] BA0714:
Sorry I don't know how to post photos on here, again with the unlock dll. It says

"(download fail!!! (8 sec)

Pid:null

Imei:null

[17:44:42] CrossDL [] to [VS890] SWversion[]

0000064"
[G2 General] hyelton:
What error do you get when using the different dll?
[G2 General] BA0714:
The first attempt I tried with my model dll. The message I got is

"DLL:VS980

BIN:VS98026A_00.TOT

SWV:

SWOV:

Model information check fail

00000000"

Yes iII am usingmUSB 2.0 and also in download mode, not sure why I keep getting

that error message

---------- Post added at 06:05 PM ---------- Previous post was at 06:03 PM ----------

Hmm does it matter if I'm on Windows 10? Got thus Windows 10 update over the summer
[G2 General] hyelton:
It shouldn't matter as the error your getting is about your phone. Did you try the LGUP dll?
[G2 General] BA0714:
Yes iII did try the LGUP dll which gave me the second error message

"(download fail!!! (8 sec)

Pid:null

Imei:null

[17:44:42] CrossDL [] to [VS890] SWversion[]

0000064"
[G2 General] hyelton:
Model info check fail means your not using usb 2.0, or using a bad cable. Can also be computer related as well.
[G2 General] qhemani11:
Anyone know why when I went back to stock this happen to my imei I can't get it activated cause it's reading the wrong MEID...SEE PICTURE..I Google, I YouTube, I looked on XDA I can't seem to get anything work..I did get where it say My Number to read ( Unknown )...
[G2 General] hyelton:
Usually that happens when you've flashed a wrong model firmware. I'm guessing it's a Sprint G2 correct?
[G2 General] BA0714:
Wow you're right, it was a bad USB 2.0, I used another USB and it worked like it's suppose to, I just had to change the com to 41, thanks a lot, much appreciated, and thanks to others that help out! Now I'm back to 4.4.2, no issues at all, lollipop had too many busy and drained battery so fast when it wasn't being used, thanks again
[G2 General] hyelton:
Glad it worked! Your very welcome ;)
[G2 General] qhemani11:
That's what happen..It's a Boost Mobile G2 which is still Sprint

---------- Post added at 07:56 PM ---------- Previous post was at 07:54 PM ----------

I'll just buy one on ebay and sell this one for parts.. if it can't be fix
[G2 General] bender_007:
You have "" (means you have empty string, you have to change 980 to empty space in hex editor), or 00. I managed to pass by this issue but I couldn't flash. I had to open my device and shortwire.

Poslano sa mog LG-H815 koristeći Tapatalk

Edit: nice I see you fixed it :)
[G2 General] ErwinLGg2:
Tool stops

When I run the tool, it stops when trying to upgrade S/W. How can I fix this?
[G2 General] hyelton:
What do you mean by stops? Explain? Model? Using usb 2.0 correct??

Tried the tot method?
[G2 General] ErwinLGg2:
It says, "Due to an error the upgrading process stops", I have a d802 international model and I think I use the usb2.0 correctly.
[G2 General] hyelton:
Use the tot method then.

What do you mean you think you use usb 2.0 correctly?? Just make sure it's not usb 3.0 as that will not work.
[G2 General] bender_007:
If anyone is getting issues crossflashing or flashed wrong model and it wont let you flash the right firmware pm me, let´s test something. LGUP should work correctly on g2
[G2 General] hyelton:
That issue is fixable by a hex edit. I think they figured it out. What you trying to test for it to work on the G2? It would have to be the D802 only most likely.
[G2 General] ErwinLGg2:
LG G2 stuck into TWRP recovery

I have used the tot method with succes, but now my phone just boots into recovery mode. How can I fix this?
[G2 General] hyelton:
It would help if you could explain a little more :) Model? Your phone has to be put into download mode before it will flash. And make sure your using a usb 2.0 port.
[G2 General] ErwinLGg2:
LG G2 stuck into TWRP recovery

I have the d802 international, I am from Holland. I put it into download mode, followed the tot method steps (using usb2.0), allthough the process does not take long. The reboots atomatically and goes directly to TWRP recovery.
[G2 General] hyelton:
Does flash tool not give an error?? Cause if it boots to twrp then it's not flashing.

Tried choose board_dl on the tot/dll screen??
[G2 General] ErwinLGg2:
LG G2 stuck into TWRP recovery

The tool does not give an error, it only says it skips allot of partitions (like system, cache, etc.). It is 94% ready and still no error, but my phone is already booted into TWRP recovery.

I use this tot file LGD802AT-00-V10b-EUR-XX-SEP-07-2013-16G+0
[G2 General] hyelton:
Well anything after 80% means done.

Did you try choosing board_dl??
[G2 General] ErwinLGg2:
LG G2 stuck into TWRP recovery

I am sorry but I am not quite sure what you mean by choosing board_dl??
[G2 General] hyelton:
I asked you in my previous post. Choose board_dl on the tot/dll selection screen and flash.
[G2 General] ErwinLGg2:
LG G2 stuck into TWRP recovery

Oh sorry, found it, will do this now. My phone did not boot in the process to TWRP atleast. My phone is not booting anything now. However I can still get into download mode.
[G2 General] hyelton:
Download mode is what you need for flashing anyway.
[G2 General] ErwinLGg2:
LG G2 stuck into TWRP recovery

Edit: "I have used another tot file, it seems like the tool is properly flashing now. Lets hope this was the problem. Where can I donate some money to, because you took some time to help me.

I think I use the lg flash tool correctly and I am using the right dll and tot files to flash on my device. Moreover, I am using usb 2.0 and com41 port settings. The tool is not providing any errors as it seems as far as 85%. Still my phone does not reboot. Is there anything you can help me with? I will donate if we can fix my phone;).
[G2 General] hyelton:
Remember anything after 80% is done. What happened at 85% after that the phone will reboot automatically. Did you choose board_dl this time ?

Donation is not needed for help :) but is always welcomed. The button is below my name on the left :).
[G2 General] rebel377:
hi

i was on crdroid mm with twrp v3

i just flashe a 30d bootstack now i just have download mode! when itried to flash kdz it stuck at2%
[G2 General] hyelton:
Try the tot method??
[G2 General] gmanvbva:
24A VS980 to current Stock w/ root/recovery

Good afternoon,

I have a LG G2 that is currently on 24A and xdabbeb's 24a (4.4.2).

Can someone give me a quick run down of how to get this to current stock w/ root and recovery?

In reading, I think the most recent FW is 27A and I see that in the OP.

The KDZ method looks pretty straight forward but it looks like that just updates the FW? I'm not familiar with the KDZ method since I don't believe it existed when I last updated the G2. I also didn't see anywhere in the OP where it showed the current stock ROM itself or a download for it.

Also, It looks like I just have stock recovery now? (see pic)

Thanks for any help.
[G2 General] hyelton:
This guide upgrades and downgrades firmwares but will wipe as you'll have to use cse flash. Sorry no clue on root. This thread is for factory stock. Asking in the Verizon forums would be better for rooting etc.
[G2 General] rebel377:
when i go to storage cow there is no tot file its exe! idont know which file should i download for my lg g2 d802 16 gb
[G2 General] hyelton:
The exe extracts to the tot file...
[G2 General] brons2:
kdz method totally worked for me, was on Temasek 12.1 CM before. Now stock again. Awesome!!!
[G2 General] idkwhoiam322:
I'm on cm13 on my d802 and have flashed hybrid bootstack. What should I do if I wanted to downgrade to stock lollipop and unroot.