Database Users

Bricked phone ?

Hi,
I tried to upgrade from v2.1 to new Android 2.3.5 Gingerbread For LG Optimus GT540 and I followed instructions exactly, but I am stuck at number 8, I did this:
8- Now click “Launch software update”, DO NOT USE THE PC TO THE PROCESS IS COMPLETE. THE PHONE WILL REBOOT WHEN FINISHED THE PROCESS IN KDZ. (The process takes about 15 minutes in KDZ).
and about 2 minutes text log writes and stopped, I am now waiting more then 40 minutes my phone didn't reboot. On display is still written download mode, what should I do now ?
In kdz is written:
3GQCT: wParam = 205. IParam = 36
p.s.
I disconnected phone from usb and pull out battery and now I cannot turn on phone, I tried to push vol down + power for 5 sec.
Any idea what should I do now? I hope I didn't brick my phone

What programs are you using?
What are you using to update your phone and have you tried taking out your SIM, SD card and battery then turned it on with the USB cable?

I used KDZ updater and tried to install CyanogenMod7 (2.3.5) @ GT540 Swiftdroid2 RC3 by Mur4ik. if that is what you ask ?
I removed sim card and battery also, then tried to turn it on while plugged in to computer usb but no response from phone, I can't turn it on
p.s. I am using win 7 64 bit OS

gorantz said:
I used KDZ updater and tried to install CyanogenMod7 (2.3.5) @ GT540 Swiftdroid2 RC3 by Mur4ik. if that is what you ask ?
I removed sim card and battery also, then tried to turn it on while plugged in to computer usb but no response from phone, I can't turn it on
p.s. I am using win 7 64 bit OS
Click to expand...
Click to collapse
If you can't get into download mode, then it's game over I'm afraid. What you will need to do is return the phone back to where you bought it. This happened to me some time ago. But the Carphone Warehouse were happy to fix it (even though I had voided the warranty but don't tell them that ). Don't say that you tried to mod the phone, say something like 'I installed LG's PC Suite and it said my device had a software update. I went along with it, but it gave me an error half way through. Now my phone won't turn on at all' It might just work!

I had the same problem when modding with kdz.
completely bricked my phone, but was able to fix by putting kdz into emergency mode instead of diag and updating with a fastboot stock rom,
it would stop after 2 minutes and give me and error but it managed to get fastboot onto my phone,
(camera + power)
then just flashed the fastboot method with adb and everything was fine,
my problem was something to do with lg modem drivers i believe,
I read a thread that said to disable the lg virtual modem. (didnt
work for me)
pretty noob myself
but the above method worked for me,
not sure if this can do anymore damage to the phone

have a look at this is u get it into emegancy mode.
On the kdz updater instead of 3GQCT put into emergancy
http://www.youtube.com/watch?v=fDmU9RSIiDA

If you have tried flashing with Cm7 you might be lucky,
try holding camera button and powering on the phone, a black screen should come up thats fastboot.
if that comes up u should be able to just reflash following mur4iks instruction
if not try what i said in my last post and reflsh with phone type 3QGCT and PhoneMode EMERGENCY
again only going of how i fixed my bricked phone

ZxWelshyxz said:
If you have tried flashing with Cm7 you might be lucky,
try holding camera button and powering on the phone, a black screen should come up thats fastboot.
if that comes up u should be able to just reflash following mur4iks instruction
if not try what i said in my last post and reflsh with phone type 3QGCT and PhoneMode EMERGENCY
again only going of how i fixed my bricked phone
Click to expand...
Click to collapse
He was trying to flash a fastboot rom (to install CM7) but bricked his device in the process. So he can't flash CM7-.-

Yeah I know that but I mean when I got the error he has, I flashed with a stock 2.1 fastboot rom With Diag changed to EMERGENCY and was able to get on to fastboot mode (camera+power), I got the error again as i was flashing but the phone would load fastboot and not start up
If he can get lucky and get into fastboot like i did, a simple:
fastboot -w
fastboot flash boot boot.img
fastboot flash system system.img
fastboot reboot
should fix his problem or did i just get lucky?
sorry if im confusing thinks here, but this is how i fixed mine. which was also dead and not turning on
Sent from my GT540 using XDA App

@ZxWelshyxz
I am total neewbie, can you write to me some kind of tut, like press that then do that etc

gorantz said:
@ZxWelshyxz
I am total neewbie, can you write to me some kind of tut, like press that then do that etc
Click to expand...
Click to collapse
Well like i told you im a noob at this myself (Android phone flashing atleast)
I suppose it would be good to see if you got fastboot??
Power on the phone while holding camera button (hold the camera button until the screen goes black) if you can get fastboot you can just follow the fastboot flash instructions after fastboot -w
if not on kdz in the top right were it says DIAG, Change this to CS_EMERGENCY,Click Launch update and flash again with a stock fastboot rom
after THIS see if the phone loads or boot loops(had this once too) or loads fastboot
Il try look to find the thread i read on another forum for troubleshooting kdz it helped me alot
EDIT: http://android.modaco.com/topic/321895-faqgt540-reference-thread/ try some of the troubleshooting tips at the bottom of the O.P
I basicly aimed to get fastboot working so make sure your flashing with a stock FASTBOOT! rom
again im new to this im just saying what got my phone back to life

my fone stuck in download mood what can i do?

corecrack said:
my fone stuck in download mood what can i do?
Click to expand...
Click to collapse
Pull out the battery and turn on the phone again (if you have knocked the phone when turning on, or flash a KDZ (when connected to PC)

@gorantz
Can i advise to follow step by step tutorial pin pointed by lavero.burgos, am a total neewbie like u man,but now using latest CM7 by Mur4ik and waiting for new release from devs
Sent from my GT540 using XDA App

thanks, but my phone is now at service when I get it back maybe I'll try....but maybe

gorantz said:
thanks, but my phone is now at service when I get it back maybe I'll try....but maybe
Click to expand...
Click to collapse
I bricked my phone and I tried it again after getting it back from lg

I'm new here and to having a Smartphone, I've just been given an LG Android GT540 which is at version 1.6. The LG site tells me I can upgrade to 2 something or other, sorry can't remember the exact number and gives instructions on how to do the upgrade, but I'm a bit on the cautious side as I don't want to brick it, not this early on in owning my first Smartphone.
I'll be reading a lot of the posts here to try and find out as much as I can before I attempt to do this.

Well don't worry if it's official update. But if you some how brick your phone just tell lg the update bricked your phone and we are talking about unofficial updates
Sent from my GT540 using XDA App

gorantz said:
thanks, but my phone is now at service when I get it back maybe I'll try....but maybe
Click to expand...
Click to collapse
Dont hesitate to ask for help man its worth upgrading.
Sent from my GT540 using XDA App

I've got phone today from service (not official LG service), repairman just manage to wake up phone so I can turn it On, but when I turn it I get black screen with message on it ''download mode''. Now computer recognize phone when I plug it, and I tried to update or flash it with kdz updater but have no luck
I launch kdz in emergency mode, load rom with updater, press launch button, and process started, (get messages unpacking software etc.) but after 3-4 minutes I notice that computer is blocked I couldn't do anything with mouse pointer, and I waited 15 minutes but computer is still blocked, even time on computer is stopped. I tried this procedure few times, every time it is same. Also tried to disable lg virtual modem in device manager. Any idea what I could do ?
p.s. repairman in service told me that he tried it to flash it with riff box, process started but after few minutes if stopped and blocked his riff box

[Q] [L7][P700][Bricked] Hard bricked Optimus L7 P700

Hey guys,
Yesterday I tried unlocking my phone using the tools provided on this forum, but somehow my device got hard bricked.
It is just laying there with a black screen. It won't turn on, won't boot into recovery or emergency mode. Nothing.
But when I connected it to my PC (running Windows 7), I did hear the sound that it recognised it as a device, it just couldn't find any drivers for it, so I wen't to look into that.
Landed on the debricking method using QPTS on the CyanogenMod forums and I managed to find drivers for Windows 7, so no need for an XP computer!
There were some other Optimus L-series brickers who gave up on the process, but I have still some hope left.
Did all the work that had to be done, decompiled V20D KDZ for our device, converted the first 512 bytes of the partition.bin to .mbn, installed QPTS, and so forth.
Hooked up my phone to the pc holding the volume-down button, and QPTS actually recognised it as a phone in downloading mode!
Then that's where I got stuck. Using the HEX files from this thread, I get the following error:
Code:
Status: Software Download Aborted
Errors: Could not determine the HEX file's scrambling method. The file is invalid.
Do any of you have a clue on how get things working again?
The QPTS tool only lists MSM7x30 (eMMC) as ARMPRG to use for the phone in dowload mode, not the MSM7x27a we are using. Might this be part of the problem?
Any help is highly appreciated!

Can you go to emergency or download mode?
Battery taken out, hold the vol up + connect to usb, connected to the pc. Then you will see in a green screen with emergency mode.
Once your done that, be sure you installed the LG drivers, flashed through kdz.
You can use homero's v20 stock, it's already had cwm and unlock bootloader and v20 baseband.
http://forum.xda-developers.com/showthread.php?t=2214717
Sent from my LG-P700 using Tapatalk

vaikz said:
Can you go to emergency or download mode?
Battery taken out, hold the vol up + connect to usb, connected to the pc. Then you will see in a green screen with emergency mode.
Once your done that, be sure you installed the LG drivers, flashed through kdz.
You can use homero's v20 stock, it's already had cwm and unlock bootloader and v20 baseband.
http://forum.xda-developers.com/showthread.php?t=2214717
Click to expand...
Click to collapse
Nope, can't get into emergency mode, screen stays black, no matter what. So yeah, just flashing a new KDZ isn't an option. :crying:

balloon27 said:
Nope, can't get into emergency mode, screen stays black, no matter what. So yeah, just flashing a new KDZ isn't an option. :crying:
Click to expand...
Click to collapse
Does the kdz flasher recognized the phone? If it's turn on and connected to the PC.

balloon27 said:
Nope, can't get into emergency mode, screen stays black, no matter what. So yeah, just flashing a new KDZ isn't an option. :crying:
Click to expand...
Click to collapse
You should try launching emergency mode some more. Install lg drivers. Take out battery, hold Vol up button and plug in usb. Make sure port works.

Thanks for the replies, guys!
vaikz said:
Does the kdz flasher recognized the phone? If it's turn on and connected to the PC.
Click to expand...
Click to collapse
I can't turn the device on. When I connect it to the PC, Windows sees the phone as an 'Unknown Device', even with the latest LG drivers installed.
And by KDZ flasher you mean the BC2App, right?
Lukijs said:
You should try launching emergency mode some more. Install lg drivers. Take out battery, hold Vol up button and plug in usb. Make sure port works.
Click to expand...
Click to collapse
Tried it a dozen times, with different combinations too. Only thing that happens is the sound windows makes when a device is plugged in.

Any chance a method like this would work? If the .img.zx file would be edited for our device ofcourse.

Hey all,
I couldn't get any further debricking my phone myself, so I just brought it to a repair shop. I'm hoping they can do something using JTAG or something.
Regardless of getting my phone working again (hopefully), I would still love to see if we can find a way to debrick hard bricked devices. If we can find a solution, I'll volunteer for writing a tutorial
Sent from my Nexus 7 using xda app-developers app

[Q] Please help! Boot loop and recovery error!

Hi. I have a Verizon LG G2 VS980, which I rooted a few days ago. I had some trouble flashing TWRP and that has caused some issues now. When my phone is turned on, it just recycles the Verizon animation. When I try to do a hard reset, I get a "secure booting error" and then the phone turns off. When I go into download mode to possibly download firmware updates it just sits at 0%. I'm completely lost and can't seem to find any help that is unique to my problem. If you can help, please leave very detailed instructions. Thank you.

Victim22 said:
Hi. I have a Verizon LG G2 VS980, which I rooted a few days ago. I had some trouble flashing TWRP and that has caused some issues now. When my phone is turned on, it just recycles the Verizon animation. When I try to do a hard reset, I get a "secure booting error" and then the phone turns off. When I go into download mode to possibly download firmware updates it just sits at 0%. I'm completely lost and can't seem to find any help that is unique to my problem. If you can help, please leave very detailed instructions. Thank you.
Click to expand...
Click to collapse
Follow this thread to flash stock firmware. Look for VS980 and do whats told.
And dont forget to change COM port to COM41 from device manager of pc. Its very important.
This thread is detailed enough. Still if u dont understand anything feel free to ask.
http://forum.xda-developers.com/showthread.php?p=45293512

Te$la said:
Follow this thread to flash stock firmware. Look for VS980 and do whats told.
And dont forget to change COM port to COM41 from device manager of pc. Its very important.
This thread is detailed enough. Still if u dont understand anything feel free to ask.
http://forum.xda-developers.com/showthread.php?p=45293512
Click to expand...
Click to collapse
thanks for the reply. will try this.

Te$la said:
Follow this thread to flash stock firmware. Look for VS980 and do whats told.
And dont forget to change COM port to COM41 from device manager of pc. Its very important.
This thread is detailed enough. Still if u dont understand anything feel free to ask.
http://forum.xda-developers.com/showthread.php?p=45293512
Click to expand...
Click to collapse
Which method should I do? KDZ or TOT? What's the difference? Thanks in advance.

Te$la said:
Follow this thread to flash stock firmware. Look for VS980 and do whats told.
And dont forget to change COM port to COM41 from device manager of pc. Its very important.
This thread is detailed enough. Still if u dont understand anything feel free to ask.
http://forum.xda-developers.com/showthread.php?p=45293512
Click to expand...
Click to collapse
I did the KDZ method, but the LG Mobile Support Tool stops and says "lost connection to server". Then I click retry and it stops at 2% and says "Upgrade stopped due to an error". I've retried many times. Also, I made sure to download the KDZ file under Verizon. I don't understand.

Victim22 said:
I did the KDZ method, but the LG Mobile Support Tool stops and says "lost connection to server". Then I click retry and it stops at 2% and says "Upgrade stopped due to an error". I've retried many times. Also, I made sure to download the KDZ file under Verizon. I don't understand.
Click to expand...
Click to collapse
Kdz should be fine.
LG Mobile Support Tool?? You should be using LG FLASH TOOL mentioned in the post.
Did u download all the files and drivers needed?
To enter Download Mode press and holding vol up key insert the usb cable.
If Normal flash doesnt work try CSE flash located at the bottom of the tool.

Te$la said:
Kdz should be fine.
LG Mobile Support Tool?? You should be using LG FLASH TOOL mentioned in the post.
Did u download all the files and drivers needed?
To enter Download Mode press and holding vol up key insert the usb cable.
If Normal flash doesnt work try CSE flash located at the bottom of the tool.
Click to expand...
Click to collapse
During the process, the LG Flash Tool opens up the LG Mobile Support Tool. Yes, I downloaded the verizon kdz file and both drivers. I followed the guide but no luck.

Victim22 said:
During the process, the LG Flash Tool opens up the LG Mobile Support Tool. Yes, I downloaded the verizon kdz file and both drivers. I followed the guide but no luck.
Click to expand...
Click to collapse
Strange problem!!
Try uninstalling LG Mobile Support Tool and try again every step very carefully.
If that also fails, hope u got warranty, so take it to service center and i think its the best option as of now.

Te$la said:
Strange problem!!
Try uninstalling LG Mobile Support Tool and try again every step very carefully.
If that also fails, hope u got warranty, so take it to service center and i think its the best option as of now.
Click to expand...
Click to collapse
The same thing was happening to mine! All I did to fix it was....
1. Make sure its turned off by holding the power button until the lg logo stops popping up
2. Hold down Power button+Volume down at the same time
3. Let go of both when you see the lg logo come up and quickly hold down on the power button again
4. From here a white screen will come up saying something like (to factory reset press the power button)
5. After you press it TWRP or Clockwork revovery will come up depending on what you installed
6. Recover your backup
I really hope this helped you!

[GUIDE] [d855] How To Install Lineage OS - A Compilation (Downgrade/Root/TWRP/GApps)

*EVERY ACTION YOU PERFORM FOLLOWING THIS GUIDE IS AT YOUR OWN RISK*
That to be said, let's start: i am currently running the latest official nightly build on my d855 and it took me a while to get there. I couldn't find any (real) step-by-step-guide, where i would not have to google any errors or anything else.
Everything you find here is NOT my own knowledge, it is just compilation of sources, that i found on the internet.
Note:
Android 6.0: if you are on 6.0 and you always updated so you're on the latest security-patch-level the one-click-root-method won't work. I recommend downgrading your phone, which will be explained in the following.
Android 5.0: if you're on 5.0 you need to upgrade to 6.0 anyways, bc you need a different baseband-version to install LineageOS. This will also be explained in the following.
1. Make a backup of your phone
this is recommended, although i didn't do this, this is why i am not gonna explain it one here. I just saved my pics and contacts and did a factory reset, restarted my phone, did all the "first time turned on stuff" and connected to my wifi.
Note: Make sure your phone is charged to 60% at least
2. Download the following
a. Download LG G3 Drivers 4.0.4 and install them (i believe there are more recent ones, but this worked for me)
b. Download LG UP
- Download: LG UP Ver. 1.14: LGUP_Install_Ver_1_14_3.msi and LGUP_8974_DLL_Ver_0_5.MSI
- Make sure to install the DLL first and then the other .msi
SOURCE: Thanks to hyelton
c. Download the proper KDZ for you phone.
Note: I got this infos from a german site.
This is the 30C KDZ for the 32gb AND 16gb version: Download here
SOURCE: Thanks to mr bo
3. Downgrade/Upgrade your android-version
1. Turn off your phone.
2. Run LG UP (the tool you just installed) and press okay when you see the error message, that no phone is connected.
3. Press "Volume Up" on your phone and HOLD it, connect your phone to you computer via USB 2.0 PORT! This is important, bc connecting via 3.0 won't let LG UP recognize your phone.
4. Your phone is now in download-mode and LG UP should have recognized your phone.
5. Press SELECT, click on UPGRADE, then click on FILE PATH, choose you prefered .KDZ.
6. i recommend refurbishing your phone (This will wipe your entire system and make a clean install).
CLOSE LG UP and start it back up. The .KDZ should still be there. Now select REFURBISH and click on START. Wait until 100% completed and you phone has booted up completely.
Source and further information: Hail hyelton!
Also here is a youtube video: Thanks to kiaTech
4. Root your phone
1. Download the latest kingroot.apk from here.
2. Connect your phone (turned on, after all the "first time turned on stuff") and move the .apk to your Download-folder.
3. Open the (stock) filemanager on your phone and navigate to Downloads.
4. Install the kingroot.apk (enable third party .apk, when asked)
5. Open the app and root your phone (it's simple, believe me).
6. Your phone is now rooted (leave it turned on, DON'T restart)
5. Install TWRP and update to the latest version
1. Download this pack and unzip it.
2. Move the AutoRecMMD855.apk to your phone and install it just like kingroot.apk before.
3. Open the app and follow the instructions.
4. You now got TWRP on your phone.
SOURCE for #4 and #5 till here: Thanks to tute123456
5. Boot into recovery mode (either with the app itself i think or manually. If you have to do it manually. Turn of your phone. Press POWER and VOLUME DOWN at the same time until the screen shows soemthing. Release and immideatly press again. Your phne will ask you if you want to FACTORY RESET. Press YES and YES. If everything is working properly, TWRP should start up).
6. Connect your phone and download the latest TWRP.img you. In example here's the european one Latest LG G3 TWRP EUROPE
7. I assume you never disconnected your phone since moving kingroot.apk to it. So now you just move the TWRP.img to your Download folder.
8. Choose INSTALL on your phone and search for the TWRP.img. Select RECOVERY and flash it.
9. Choose REBOOT and then RECOVERY.
10. Your phone will boot into TWRP again. It should be updated to the latest version 3.0.2-0.
SOURCE: Thanks to everyone who contributed
6. Flash LineageOS and install GApps
1. Download the latest version of LineageOS (nightly) from here
Optional: make a backup of your phone using TWRP and safe it on your pc or internal SD Card, bc in the next step you will wipe your entire system, to get a clean installation.
2. Press WIPE in TWRP and select ADVANCED WIPE. Select everything but "Micro SD Card" and perform the wipe. This will wipe your entire system!
3. Move the .zip file to the Download folder on your phone and press INSTALL in TWRP. Search for the .zip and flash it.
Note: you'll see two red error messages. This is normal!
4. Wipe cache and dalvik as recommended.
5. Download your desired Open GApps package from here. Use "ARM" and "7.1", i recommend the "mini"-package.
6. Move the downloaded file to your Download folder on your phone and flash it just like you did the LineageOS file.
7. Wipe cache and dalvik.
8. In the main menu of TWRP choose REBOOT and then SYSTEM.
9. It will take a while to boot up, don't worry, just leave it there.
10. You succesfully installed the latest LineageOS build on your phone - you can now unplug your phone from your PC also :good:
SOURCE: LineageOS official wiki

*reserved*

*reserved for further changes*

Hi pheb92,
Big Thank You, If I had to do it bymyself it would have take me hours!!
-3. Downgrade/Upgrade your android-version -- I had trouble finding the right DLL on my Windows 10 system, onetime I managed to use LG - Up. At that moment the DLL loaded was 4.2.0.0. date 23-8-2016 device name "LGE AndroidNet USB Serial Port (COM6)"
- 6. Flash LineageOS and install GApps -- I flashed straight from a uSD card inserted in the LG G3.
Thank you for the great Setp-by-Step!
Regards, Onedutch

onedutch said:
Hi pheb92,
Big Thank You, If I had to do it bymyself it would have take me hours!!
-3. Downgrade/Upgrade your android-version -- I had trouble finding the right DLL on my Windows 10 system, onetime I managed to use LG - Up. At that moment the DLL loaded was 4.2.0.0. date 23-8-2016 device name "LGE AndroidNet USB Serial Port (COM6)"
- 6. Flash LineageOS and install GApps -- I flashed straight from a uSD card inserted in the LG G3.
Thank you for the great Setp-by-Step!
Regards, Onedutch
Click to expand...
Click to collapse
hi onedutch. i am glad, that i could help you. concerning your quotes: are those questions? do you need any further help?

pheb92 said:
hi onedutch. i am glad, that i could help you. concerning your quotes: are those questions? do you need any further help?
Click to expand...
Click to collapse
Those are remarks, I think it could help others if they run in trouble aswell.
Cheers, Tom

unrooted?
i did everythimg step by step.right now im running lineage OS. the problem is that rootchecker says im unrooted.im also tryimg to setup supersu from play store but it cant staart cause it says im unrooted.any ideas here? thanks in advance!!

teridona said:
i did everythimg step by step.right now im running lineage OS. the problem is that rootchecker says im unrooted.im also tryimg to setup supersu from play store but it cant staart cause it says im unrooted.any ideas here? thanks in advance!!
Click to expand...
Click to collapse
as far as i know LineageOS doesn't have an inbuilt root access (so far) like cyanogenmod did. you can only enable root access via adb in the developer options.
i did not root lineageOS myself so far, but you can try the following:
- Download superSU.zip from their official website and flash it via TWRP.
i would appreciate it, if you would share the outcome

pheb92 said:
as far as i know LineageOS doesn't have an inbuilt root access (so far) like cyanogenmod did. you can only enable root access via adb in the developer options.
i did not root lineageOS myself so far, but you can try the following:
- Download superSU.zip from their official website and flash it via TWRP.
i would appreciate it, if you would share the outcome
Click to expand...
Click to collapse
LineageOS does have built in root management, but it doesn't ship rooted by default.
This change was made so SafetyNet doesn't get triggered by root and you can use Android Pay on your device.
Just download the su zip from LineageOS download page and flash.

pheb92 said:
3. Downgrade/Upgrade your android-version
1. Turn off your phone.
2. Run LG UP (the tool you just installed) and press okay when you see the error message, that no phone is connected.
3. Press "Volume Up" on your phone and HOLD it, connect your phone to you computer via USB 2.0 PORT! This is important, bc connecting via 3.0 won't let LG UP recognize your phone.
4. Your phone is now in download-mode and LG UP should have recognized your phone.
Click to expand...
Click to collapse
I am stuck on this step. My d855 gets into download mode and LG UP recognizes the phone, but I'm getting the "You have to select a known model, please" error in LG UP. I have uninstalled and reinstalled LG UP and the DLL multiple times, same problem. I also tried uninstalling and reinstalling the driver, and I tried other drivers, same problem. I tried the tip in another thread (https://forum.xda-developers.com/showthread.php?t=2785089) to change the port to COM41 in device manager, but it didn't help. Btw I also unrooted my d855 (it has 4.4.2 currently) in case that's why the tool couldn't recognize it. Please help!!
Also @hyelton if you can help...
 @engmia since you were helping me earlier...
Thanks.

supperbowl said:
I am stuck on this step. My d855 gets into download mode and LG UP recognizes the phone, but I'm getting the "You have to select a known model, please" error in LG UP. I have uninstalled and reinstalled LG UP and the DLL multiple times, same problem. I also tried uninstalling and reinstalling the driver, and I tried other drivers, same problem. I tried the tip in another thread (https://forum.xda-developers.com/showthread.php?t=2785089) to change the port to COM41 in device manager, but it didn't help. Btw I also unrooted my d855 (it has 4.4.2 currently) in case that's why the tool couldn't recognize it. Please help!!
Also @hyelton if you can help...
@engmia since you were helping me earlier...
Thanks.
Click to expand...
Click to collapse
hi supperbowl,
are you sure you're using a USB 2.0 port and the original LG-USB-Cable, that came with the phone?
as far as i experienced it, 4.4.2 should not be an issue.

supperbowl said:
I am stuck on this step. My d855 gets into download mode and LG UP recognizes the phone, but I'm getting the "You have to select a known model, please" error in LG UP. I have uninstalled and reinstalled LG UP and the DLL multiple times, same problem. I also tried uninstalling and reinstalling the driver, and I tried other drivers, same problem. I tried the tip in another thread (https://forum.xda-developers.com/showthread.php?t=2785089) to change the port to COM41 in device manager, but it didn't help. Btw I also unrooted my d855 (it has 4.4.2 currently) in case that's why the tool couldn't recognize it. Please help!!
Also @hyelton if you can help...
@engmia since you were helping me earlier...
Thanks.
Click to expand...
Click to collapse
Have you tried it with the phone booted into the OS? With USB debugging on? Also if running 4.4.2 why not just use the old method?
Sent from my iPhone using Tapatalk

hyelton said:
Have you tried it with the phone booted into the OS? With USB debugging on? Also if running 4.4.2 why not just use the old method?
Sent from my iPhone using Tapatalk
Click to expand...
Click to collapse
No I've only tried it with download mode. I have USB debugging enabled in the OS. I am now trying the old method with LG flash tool, so far I'm getting stuck with the LG mobile support tool which keeps saying "upgrade stopped due to an error".
Edit: LG UP doesn't recognize the handset at all with it booted into the OS.
pheb92 said:
hi supperbowl,
are you sure you're using a USB 2.0 port and the original LG-USB-Cable, that came with the phone?
as far as i experienced it, 4.4.2 should not be an issue.
Click to expand...
Click to collapse
Yes it's USB 2.0 and the original cable.

supperbowl said:
No I've only tried it with download mode. I have USB debugging enabled in the OS. I am now trying the old method with LG flash tool, so far I'm getting stuck with the LG mobile support tool which keeps saying "upgrade stopped due to an error".
Yes it's USB 2.0 and the original cable.
Click to expand...
Click to collapse
Just use lgup with the device booted into android
Sent from my iPhone using Tapatalk

hyelton said:
Just use lgup with the device booted into android
Sent from my iPhone using Tapatalk
Click to expand...
Click to collapse
LG UP doesn't recognize the device at all with it booted into Android, the "Model List" comes up empty.

supperbowl said:
LG UP doesn't recognize the device at all with it booted into Android, the "Model List" comes up empty.
Click to expand...
Click to collapse
And USB debugging enabled?
If it's at least detecting unknown device while in download mode it most definitely should show up in lgup when boot up.
Choose MTP mode? And it's not just in "charging mode" or try vice versa?
Sent from my iPhone using Tapatalk

hyelton said:
And USB debugging enabled?
If it's at least detecting unknown device while in download mode it most definitely should show up in lgup when boot up.
Choose MTP mode? And it's not just in "charging mode" or try vice versa?
Sent from my iPhone using Tapatalk
Click to expand...
Click to collapse
Yes, USB debugging is enabled and my computer is allowed permissions.
Yes it's MTP and I also tried charge only and LG software modes. With LG Software mode it comes up with the unknown device in the model list again.

supperbowl said:
Yes, USB debugging is enabled and my computer is allowed permissions.
Yes it's MTP and I also tried charge only and LG software modes. With LG Software mode it comes up with the unknown device in the model list again.
Click to expand...
Click to collapse
what also worked for me once was just retrying the process --> turn off, go into LG UP, go into download-mode. if LG UP does not recognize the phone: put the battery out of your phone, close LG UP and start the process again (also with different USB ports and other USB-Cables).

Hello,
Need to have unlocked bootloader ? Work on SEA version ?

You did not installed LG UP DLL properly
supperbowl said:
I am stuck on this step. My d855 gets into download mode and LG UP recognizes the phone, but I'm getting the "You have to select a known model, please" error in LG UP. I have uninstalled and reinstalled LG UP and the DLL multiple times, same problem. I also tried uninstalling and reinstalling the driver, and I tried other drivers, same problem. I tried the tip in another thread (https://forum.xda-developers.com/showthread.php?t=2785089) to change the port to COM41 in device manager, but it didn't help. Btw I also unrooted my d855 (it has 4.4.2 currently) in case that's why the tool couldn't recognize it. Please help!!
Also @hyelton if you can help...
@engmia since you were helping me earlier...
Thanks.
Click to expand...
Click to collapse
1) Remove LG UP DLL completey
2)Install the LG UP DLL again
3)Put your phone into recovery mode, wipe data and cahce
4)put your phone into download mode, then run the LG UP

Bricked a G2 (D802) pretty unusual

Hello guys,
So I bricked my D802 , how? first it was bricked because of a wrong version of TWRP, untill here no problem, i tried many tutorials on how to go back to stock rom, then i found that it was a Qualcom thing problem, so I found that tutorial about replacing the .img files etc... , pretty easy, i could enter the recovery menu, but it had no rom, i downloaded the stock rom kdz file , started flashing it, then, for some dumb reason the flashing stopped, I ... plug out the usb cable... I didn't notice untill I saw that the program froze, and now the phone is stuck at the LG logo, impossible to do anything, pc doesn't recognize it, can't go to recovery menu, can someone help me please? or at least tell me if I should just throw that phone or keep it if it has a chance of living a bit longer

Kicha0 said:
Hello guys,
So I bricked my D802 , how? first it was bricked because of a wrong version of TWRP, untill here no problem, i tried many tutorials on how to go back to stock rom, then i found that it was a Qualcom thing problem, so I found that tutorial about replacing the .img files etc... , pretty easy, i could enter the recovery menu, but it had no rom, i downloaded the stock rom kdz file , started flashing it, then, for some dumb reason the flashing stopped, I ... plug out the usb cable... I didn't notice untill I saw that the program froze, and now the phone is stuck at the LG logo, impossible to do anything, pc doesn't recognize it, can't go to recovery menu, can someone help me please? or at least tell me if I should just throw that phone or keep it if it has a chance of living a bit longer
Click to expand...
Click to collapse
This guide is pretty good.
https://forum.xda-developers.com/lg-g2/help/noob-friendly-recovery-download-mode-t3112805

Jan Philipp said:
This guide is pretty good.
https://forum.xda-developers.com/lg-g2/help/noob-friendly-recovery-download-mode-t3112805
Click to expand...
Click to collapse
I forgot to add this:
For D800:
Master archive of 5 files needed to do this:
https://www.androidfilehost.com/?fid=95747613655047114
Just had the same issue and answered in another thread but I'll quote myself again.
https://forum.xda-developers.com/sho....php?t=2663369
https://www.youtube.com/watch?v=Lg693AYgoTo
ATT 4.4.2 KitKat:
https://mega.nz/#!n0RTUYZD!MVntiPxuyW...
ATT 4.2.2 JellyBean:
https://mega.nz/#!e5RERS4L!FjZyopcvwM...
T-Mobile 4.2.2 JellyBean:
https://mega.nz/#!qsRSBDwD!KKCETp41O1...
Modified DLL file if nothing else works:
https://mega.nz/#!f5xTGKrC!ifBCOAnK4j...
I had a very similar problem with it getting stuck at the logo after pushing supersu to the phone. I followed Supersport every single step of the way in his video. I think his links are the only valid ones online now, so just download them and reflash your phone. If your G2 is anything like mine, drivers will never appear to be installed correctly and it never restarts, only shuts down.
His method is:
1) Download and install LG drivers on PC
2) Download and install the flash tool and patch it
3) Download and load the .tot and .dll files into the flash tool
4) Enter download mode on G2 by holding volume up while connecting USB
5) Switch G2 Com port to 41 in device manager
6) Once Flash tool shows that all ports are ready, power down G2 and disconnect
7) Hold volume up and reconnect to get back into download mode
8) LG Flash tool starts flashing
9) Complete
Note: If your G2 was screwed up as bad as mine, it'll say failed but all the main system files will load to the device before it restarts and it'll even shut itself off while doing it's installation on first reboot. Mine somehow was still revived from this state with his method.