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flashed tmobile firmware on and ls980 g2.. can i fix it? please help

I flashed a stock 4.4.2 t-mobile firmware to my sprint ls980.. is there anyway to get any ls980 firmware back on it? i use it for tmobile which is why i flashed it but seen a few threads on how to unlock the sim and now im stuck. did i ruin the phone? or could i at least get it to work through tmobile with the firmware i flashed? i cant even get it to connect to google play. wifi works tho

Sir,
Please wait until mods will move this thread to the device specific forum for more relevant answers.
Stand by
Good luck

First: Grab the ZVE Tot file
Second: Flash it in download mode.
Good luck, flashing in download mode is rather a pain to do.

G2 Ls980 with tmobile firmware
Fnord12 said:
First: Grab the ZVE Tot file
Second: Flash it in download mode.
Good luck, flashing in download mode is rather a pain to do.
Click to expand...
Click to collapse
I have tried flashing a stock sprint fw but it fails because Flashtool says the mobile phone I have is a tmobile model!!.

mikon73 said:
I have tried flashing a stock sprint fw but it fails because Flashtool says the mobile phone I have is a tmobile model!!.
Click to expand...
Click to collapse
There is a DLL file that is generic that should overcome that problem.

Facing the same problem..please help
I've also done the same thing just a little bit different.
i flashed D802 (international version) kdz file over my sprint g2 (Model is LS-980) but it does not work, when i turn on the phone I can't even complete the setup and the phone restarts. touch panel is also not working right.
Now i've downloaded the stock .tot rom for sprint version and trying to flash it using lg flash tool in download mode. But it does not flash it. It detects my phone as D802 and gives the error about the model number does not match
I need help getting it back to LS-980

looking for that lg g2 sprint generic .dll file
secret.animal said:
There is a DLL file that is generic that should overcome that problem.
Click to expand...
Click to collapse
Supposedly there's a stock .kdz which I can use to extract the .dll from, but I haven't found any stock .kdz file so far.
So, this generic .dll sounds great and one of my last options left. I'll appreciate if you can point me to that file. I'm going to try to find it.
Thanks a lot!!! :good:

https://docs.google.com/file/d/0B_F3sA56Gm2HMTVXejZla3R5RDg/edit?usp=docslist_api

Tried it but failed
secret.animal said:
docs.google.com/file/d/0B_F3sA56Gm2HMTVXejZla3R5RDg/edit?usp=docslist_api
Click to expand...
Click to collapse
I've tried this .dll file with both the stock ls980zvc and ls980zve .tot firmwares.
but the flash tool gives this error "CrossDL [D802] to [LS980]. SWversion"
Is there any way around this?

Success
Successfully fixed this problem. My phone is back to life again
I explained the complete problem and the process to fix it in this post:
http://forum.xda-developers.com/sprint-g2/help/solution-flashed-wrong-firmware-lg-g2-t3056632

tauheed90 said:
Suucessfully fixed this problem. My phone is back to life again
Click to expand...
Click to collapse
Share the love for anyone that does a search will find it without having to ask.

I'm restricted by xda
secret.animal said:
Share the love for anyone that does a search will find it without having to ask.
Click to expand...
Click to collapse
The procedure I used is described and explained in this post and as i am a new member here, xda restricts me to post external links his is the the best i could do
http://forum.xda-developers.com/sprint-g2/help/solution-flashed-wrong-firmware-lg-g2-t3056632

Where I can find kdz firmware of G4?

Where I can find kdz firmware of G4?
I use the traditional method by eimi it doesn't work can't found kdz firmware.

Have you tried using this method? http://csmg.lgmobile.com:9002/csmg/b2c/client/auth_model_check2.jsp?esn=IMEI Replace IMEI word, by your IMEI phone.

borimol said:
Have you tried using this method? http://csmg.lgmobile.com:9002/csmg/b2c/client/auth_model_check2.jsp?esn=IMEI Replace IMEI word, by your IMEI phone.
Click to expand...
Click to collapse
I have tried but doesn't work no downlink.
Sent from my LG-H818

Hope we get this soon.

Jessooca said:
Once the kdz or tot is available you can bet it'll be here as "Hyelton" is a wee bit OCD about having "back to stock" guides up for just about every phone that you can imagine. He's already got the thread up and ready just not the kdz/tot file needed
http://forum.xda-developers.com/g4/general/guide-lg-g4-stock-firmware-to-stock-kdz-t3107848
Click to expand...
Click to collapse
Thank you,
I have 2 vdo clip for Guide Flash KDZ/TOT Firmware too.
No need Hyelton thread .He got many tut of other guys and put it to him thread . I have made guide for flash stock kdz offile that I found solution.He got it to him thread too.

You can also wait a few days/weeks for it to show in this website -
http://lg-phone-firmware.com/

Jessooca said:
Indeed, he used various things I created in the past as his own as well, no big deal but thought I'd let you know and for anyone else who might look for it.
Click to expand...
Click to collapse
Anyway ,Thank you so much.

Right, I'm new to LG phones (not new to android though).
What's a kdz? Is it like a full software package for LG phones?
Sent from my LG-H815 using Tapatalk

It's a full original LG ROM image. You can use it with LG Flash Tools to flash your phone. You can read more information about it here (but for now don't use it on the G4 until we know for sure that everything works at it should) -
http://forum.xda-developers.com/showthread.php?t=2785089

[Q] Secure Booting Error

Hello!
I have just rooted my G3, and I thought I'd also flash custom recovery and unlock bootloader with Bump. However when I did that, and phone attempted to reboot, it doesn't boot and says "secure booting error". I know there had been many questions around this topic, but non had helped me. What is the easiest way to "undo" this? Unbricking? Unrooting?
Thanks for patience and help!

The easiest way is to use the kdz tool, you can follow this tutorial here: http://forum.xda-developers.com/showthread.php?t=2785089

RapHaeL_4_4_4_ said:
The easiest way is to use the kdz tool, you can follow this tutorial here: http://forum.xda-developers.com/showthread.php?t=2785089
Click to expand...
Click to collapse
but how do I know which stock image and DLL file to download? I have D855 and running lollipop. I'm not sure what to download.
And also, what does TOT stand for?

KristjanBerce said:
but how do I know which stock image and DLL file to download? I have D855 and running lollipop. I'm not sure what to download.
And also, what does TOT stand for?
Click to expand...
Click to collapse
I don't know what does TOT stand for and personally I use the kds method, I think its the easiest.
You can download KDZ from here: http://storagecow.eu/index.php?dir=Xda/LG+G3/Stock/
Kdz for the D855 on lollipop here: http://storagecow.eu/index.php?dir=Xda/LG+G3/Stock/Lollipop+5.0/D855/
And just to let you know, bump only work on kitkat, so if you want to use bump you need to downgrade to kitkat before using it, otherwise you get this error

RapHaeL_4_4_4_ said:
I don't know what does TOT stand for and personally I use the kds method, I think its the easiest.
And just to let you know, bump only work on kitkat, so if you want to use bump you need to downgrade to kitkat before using it, otherwise you get this error
Click to expand...
Click to collapse
ok thank you.
I have another kida stupid question but how do I know which link to download? I mean I know its 855, but I am not sure about the letters afer that.. Is there any way to find it, since I cant turn my phone on?

KristjanBerce said:
ok thank you.
I have another kida stupid question but how do I know which link to download? I mean I know its 855, but I am not sure about the letters afer that.. Is there any way to find it, since I cant turn my phone on?
Click to expand...
Click to collapse
The letter after is the OS version, so for example if you watch the D855 lollipop folder you have:
D85519C
D85519H
D85520A
D85520H <-- This is the most recent
The higher the number and letter is, the newest the software is.
And if the name start with D855***, your device is compatible.
Hope this help, if you have any other question, don't hesitate

RapHaeL_4_4_4_ said:
The letter after is the OS version, so for example if you watch the D855 lollipop folder you have:
D85519C
D85519H
D85520A
D85520H <-- This is the most recent
The higher the number and letter is, the newest the software is.
And if the name start with D855***, your device is compatible.
Hope this help, if you have any other question, don't hesitate
Click to expand...
Click to collapse
thank you sooo much! I will try as soon kdz will download. meanwhile, what exactly does this do?

KristjanBerce said:
thank you sooo much! I will try as soon kdz will download. meanwhile, what exactly does this do?
Click to expand...
Click to collapse
It reset your phone, reinstall everything on it (Bootloader, OS, recovery, etc..)

LGUP shows unknown model ????

Hi Guys i have LG G3 D851 ..i am currently on MM i want to downgrade to lollipop so i downloaded the kdz file V20e but the problem is that LGUP cannot detect my G3 shows the device as unknown model but correctly shows the comports i even tried using LGFlash tool used seems that i cannot downgrade shows error and stops so i wanna know is there any way to fix this unknown model in LGUP ...

Guess no one wants to help here ?? To anyone else who has this issue u may need to change the buildprop file and ur phone must be rooted it still doesnt shows as unknown in LGUP but since i have rooted my phone n bought a new battery and installed xposed and im having a good battery life i still want to know why it aint showing up in LGUP

jinderation said:
Guess no one wants to help here ?? To anyone else who has this issue u may need to change the buildprop file and ur phone must be rooted it still doesnt shows as unknown in LGUP but since i have rooted my phone n bought a new battery and installed xposed and im having a good battery life i still want to know why it aint showing up in LGUP
Click to expand...
Click to collapse
Did you ever resolve this problem? The same thing is happening to me.

dant3ch said:
Did you ever resolve this problem? The same thing is happening to me.
Click to expand...
Click to collapse
i think D851 doesnt support LGUPdirect mthod thats what i figure but u can go back via tot method to lollipop or kitkat...im still using MM with custom rom

jinderation said:
i think D851 doesnt support LGUPdirect mthod thats what i figure but u can go back via tot method to lollipop or kitkat...im still using MM with custom rom
Click to expand...
Click to collapse
Try this dll it works..
https://drive.google.com/file/d/0B0VrTZddvLF7b3Q1b1BlQ2w0clE/view

Salik Iqbal said:
Try this dll it works..
https://drive.google.com/file/d/0B0VrTZddvLF7b3Q1b1BlQ2w0clE/view
Click to expand...
Click to collapse
is there somehow can u install this dll ? i dont somehow know it ?

jinderation said:
is there somehow can u install this dll ? i dont somehow know it ?
Click to expand...
Click to collapse
Dont install it.. use it with flashtool as dll and tot for ur model.. old flashtool way

Salik Iqbal said:
Dont install it.. use it with flashtool as dll and tot for ur model.. old flashtool way
Click to expand...
Click to collapse
i cant seem to flash via lgflashtool 2014 cuz it needs kdz n in TWRP u need .zip file...what other flashing method is available?

jinderation said:
i cant seem to flash via lgflashtool 2014 cuz it needs kdz n in TWRP u need .zip file...what other flashing method is available?
Click to expand...
Click to collapse
The only flashing method that has ever worked for me when my phone was bricked along with Corrupted recovery is the .TOT method. And that I'm afraid is the one from where you have to start all over from Out of the box experience with 4.4 Kitkat. If the LGFlashTool2014 does not work for you, I recommend the LGFlashtoolv1.8.1 + the crack. It will not ask you for the KDZ and should allow you to downgrade without any hassle.
There are 2 things you will need:
LGD851AT-01-V10c.zip & LGFLASHv160.dll
This will point you in the right direction. Just scroll down to the text where it says "2014 TOT Method (Old/Outdated)"
http://forum.xda-developers.com/showthread.php?t=2785089
Good luck

jinderation said:
Guess no one wants to help here ?? To anyone else who has this issue u may need to change the buildprop file and ur phone must be rooted it still doesnt shows as unknown in LGUP but since i have rooted my phone n bought a new battery and installed xposed and im having a good battery life i still want to know why it aint showing up in LGUP
Click to expand...
Click to collapse
its dll you must download this one LGUP_8974.dll " LGUP_8974_8084_DLL_Ver_0_3_17_6.msi "

Hi guys,I'm a Chinese ,I found this dll in Chinese forum ,but it's difficult to download,thank you !! and I'll take this

Solution to LGUP LG G3 unknown
While an old thread, it'll be found in searches. For anybody who gets "UNKNOWN" device with LGUP for the LG G3, I found that LGUP for the G3 is often distributed with the wrong DLL file. See the details here, post #11.
HTH

LGUP worked with my LG G3 D851 when I used it as in this tutorial:
LG G3 LineageOS Tutorial - Linus Tech Tips

D85130g Downgrade can it be done or not

About to buy this phone and am getting mixed answers reading through the threads. Can the latest build (D85130g) be downgraded or will I get an error with the flash tool. Don't want to spend the money and be stuck on stock. I know kingo only works with earlier firmware.

Yes you Can.
billard412 said:
About to buy this phone and am getting mixed answers reading through the threads. Can the latest build (D85130g) be downgraded or will I get an error with the flash tool. Don't want to spend the money and be stuck on stock. I know kingo only works with earlier firmware.
Click to expand...
Click to collapse
You can Downgrade from 30G to 10R, I did it a few times using LGUP without any problem.

PonchosoftX said:
You can Downgrade from 30G to 10R, I did it a few times using LGUP without any problem.
Click to expand...
Click to collapse
THANK YOU! I've been trying to find an answer for a week.

People are moving on from this device I think.

Moon75 said:
People are moving on from this device I think.
Click to expand...
Click to collapse
Obviously. It's 3 years old. That being said, some of us are broke af and are buying it for the good specs. Despite the age

It still do the job well if hardware not failing. If you root it and put new software on it work as new so its very good.

Moon75 said:
It still do the job well if hardware not failing. If you root it and put new software on it work as new so its very good.
Click to expand...
Click to collapse
I actually ended up buying it after confirming it could be downgraded. Ran lineage for a few days but despite being fast, was a little buggy for me. Currently running the stock 30g rom and aside from the crappy battery life, i have no complaints. This phone was definitely advanced for its time and gives new phones a run for their money. This phone is solid. 80$ well spent imo

I've been trying for 2 days to downgrade my G3 D851 and it will not flash using LGup or LG Flash tool 2014. The process starts, but always stops due to error. LGUP always shows Unknown Device [COM41, D85130e]. Have set port to 41 and random. Can anyone offer any solutions? Have tried tot and kdz.

timnop said:
I've been trying for 2 days to downgrade my G3 D851 and it will not flash using LGup or LG Flash tool 2014. The process starts, but always stops due to error. LGUP always shows Unknown Device [COM41, D85130e]. Have set port to 41 and random. Can anyone offer any solutions? Have tried tot and kdz.
Click to expand...
Click to collapse
i believe the flash tool I'm using is from this thread(https://forum.xda-developers.com/tmobile-lg-g3/general/firmware-t-mobile-lg-g3-t2818667) under "kdz flashing method". Using a stock 30D kdz from one of these threads. I don't set the port to anything. Never fails for me. If it doesn't work I'll zip the exact one i have and upload when i get home. Where is it failing? What percentage?

Thanks. I finally succeeded with LGUP. Turned out when I downloaded and installed LGUP, it came with 8994 dll, and the D851 requires 8974 dll. It still didn't work with KDZ, but I got it to work with TOT. What a PITA!!! I don't envy anyone else trying to root D85130e without advanced knowledge. Thanks for your offer to help. Maybe this will help someone else that is having problems. The LGUP download with the 8974 dll is here. http://oceanhost.eu/545euinlq0hw/LGUP_LG_G3.zip.htm

timnop said:
Thanks. I finally succeeded with LGUP. Turned out when I downloaded and installed LGUP, it came with 8994 dll, and the D851 requires 8974 dll. It still didn't work with KDZ, but I got it to work with TOT. What a PITA!!! I don't envy anyone else trying to root D85130e without advanced knowledge. Thanks for your offer to help. Maybe this will help someone else that is having problems. The LGUP download with the 8974 dll is here. http://oceanhost.eu/545euinlq0hw/LGUP_LG_G3.zip.htm
Click to expand...
Click to collapse
cool. I haven't tried a tot yet. I heard they quit working after you surpassed a certain update. No problem with KDZs here. Anyway glad to hear it worked out.

timnop said:
Thanks. I finally succeeded with LGUP. Turned out when I downloaded and installed LGUP, it came with 8994 dll, and the D851 requires 8974 dll. It still didn't work with KDZ, but I got it to work with TOT. What a PITA!!! I don't envy anyone else trying to root D85130e without advanced knowledge. Thanks for your offer to help. Maybe this will help someone else that is having problems. The LGUP download with the 8974 dll is here. http://oceanhost.eu/545euinlq0hw/LGUP_LG_G3.zip.htm
Click to expand...
Click to collapse
Can u link the tot you used to restore? All i found was 10c Looks like i gotta go that route. My flash tool stopped working.

Downgrade D851
billard412 said:
Can u link the tot you used to restore? All i found was 10c Looks like i gotta go that route. My flash tool stopped working.
Click to expand...
Click to collapse
This is the one I used. https://www.androidfilehost.com/?fid=23622183712473995
Good luck to you. I was able to root with stump root after flashing this.