yashsingh1/xdaforums huggingface dataset:
[LG Nitro HD] adiprince1:
hi guys can someone please help me out here? after these steps

33.Once the screen says “Download Mode”, move on to the next step.

34.Click ‘Upgrade Start’.

flashind process starts and my phone boots 2 3 times and after 100% completiong of upgrading process , my phone stays on the same at&t 4.0.3 firmware. it doesnt flash into korean firmware.

Note: the server still running while the process
[LG Nitro HD] audit13:
Was your phone originally running AT&T firmware?

When I rooted my P930 many months ago, I went from Bell's stock 4.04 to the Korean rom in order to root. I then installed an AT&T 2.3.5 rom in order to install cwm. I don't recall ever having to install AT&T's 4.03 rom during the process.
[LG Nitro HD] adiprince1:
i have telus LG P935. I used another methoud to root and install recovery but i am now stuck with AT&T 4.0.3 with p930 firmware.

http://xdaforums.com/showthread.php?t=1597488
[LG Nitro HD] audit13:
Maybe try this: http://xdaforums.com/showthread.php?t=2044645
[LG Nitro HD] adiprince1:
yes i have tried this method too but all the times i get stuck at step 14, it just freezes and shuts down itself
[LG Nitro HD] audit13:
Are you rooted or have cwm installed? You're on RFD too?
[LG Nitro HD] adiprince1:
yes i was rooted . the only problem i had was locked bootloader. i just tried to run the cmd prompt. now iam stuck on same bootloader lock screen. i think i bricked the phone. not restarting anymore
[LG Nitro HD] audit13:
Bricked it? Were you trying to push a rom via adb or something?
[LG Nitro HD] adiprince1:
yes thats right. i was trying to push the gingerbread through command prompt
[LG Nitro HD] xordos:
Matt, really you don't need to say sorry, you use your own time, hardware and help all the LG Nitro/Android users for free. big thanks to you.

I also would like to try this unbrick method, and really appreciate someone can re-upload this file. This will save our developer's valuable time too.

Thanks again.

EDIT: I just goggled a little bit, http://filecloud.io should allow upload 1GB file, pls try register there and upload if you have that file.
[LG Nitro HD] kc49111:
Thanks so much for the guide. I picked up an AT&T LG Nitro a few days ago for use here in Canada, where it was sold as the LG Optimus LTE. I had wanted a Galaxy Nexus, but liked the specs of the LG. It does seem like it was a bit of an orphan phone for various reasons.

The phone was a late model and was unlocked with the LG 4.0.4 ICS update. It looked quite nice, but I wanted to remove the AT&T splash screen and get Jelly Bean.

This phone was possibly one of the most stubborn to root even with the help of the guide. It took several tries until on my last attempt it worked. At least it just happily stayed with the AT&T ROM and ignored my tries without bricking. Here are a couple of points to add from my experience.

-I tried Machzelet's method without success, then came over here to mattman86. The file download link is currently dead as pointed out recently, but the various files are available from Machzelet's mirror #2. They're getting pretty scarce.

- After several tries on an XP machine, I came across a post about file names. The original KDZ file is named "LG SU640 V10F_00.kdz". Once I changed it to just "V10F_00.kdz" it worked.

-Make sure you're familiar enough with the layout of Gingerbread to know where to change the language back to English. I was almost about to learn Korean.

- It took 4 tries with SuperOneClick to root.

- Installing ROM Manager was straightforward, but flashing CyanogenMod 10.1 RC 4 left me in a boot loop. Recovering to GingerBread (make sure you back up before moving to CyanogenMod as the guide says), clearing the cache and reflashing CM 10.1 worked, but left me with no wifi. In the end I flashed CM 10.0 Stable, then used the internal CM updater (Settings - About Phone- CyanogenMod Updates) to go to CM 10.1. I then flashed the Google Apps for 10.1 using ROM Manager.

I'm hoping it stays stable from now on.
[LG Nitro HD] mattman86:
The link should work now.
[LG Nitro HD] xordos:
Thanks for the info, I met that same error ( page error *#$&*$#W ) due to the long kdz file name.

I actually doing unbrick because I want to flash ICS rom, I was following CM/AOKP for a long time that never requires unbrick.

Like many people having the same issue, CM10/10.1 just not stable in my phone, the BSOD (phone totally freeze) is less these days, but I got GUI restart (suddenly "boot" from the CM boot animation without LG logo) very frequent, like 1-2 times daily, when I am on GPS navigation, surf web, or just reading the xda.

Finally, (maybe because I become old, ;) ) I think maybe I should try a ROM that is stable, so I just flashed Liquid ICS ROM V7 (with latest WIND 3.6 kernel), also from Matt.

Very stable for last 2 days, hope it will stable too.

xordos.

update: uptime is now 11 days, 0 reboot/freeze, so, i would say jb/cm10 unstable is definitly software issue, not hardware, at least for my phone.
[LG Nitro HD] verifods:
when you download the 700mb file to decompress gave me an error, it would be possible to go up the file again please I need to downgrade to gingerbread. because my lg nitro hd contantemente restarts and is a nuisance. Thank you.
[LG Nitro HD] mattman86:
What application are you using to open it?
[LG Nitro HD] verifods:
winrar and application windows 7 default. but there is some solution for constant reboots? and I find it very annoying. is there any way to re-Gingebread??
[LG Nitro HD] mattman86:
I created the zip with 7zip(http://www.7-zip.org/download.html). I have download the zip on 3 machines and opened fine with 7zip.
[LG Nitro HD] verifods:
thanks friend if it worked! to do the unbrick another week to see if it fixes the phone. for this week I can not. write anything over here to guide me.
[LG Nitro HD] keboose:
Hi MattMan! I already have a version of CWM on my Nitro, and I want to switch over to your Liquid Nitro ROM, but I have a problem with clockworkmod. Whenever I boot into recovery mode, I get an error:

---------------------------------
Secure booting Error!
Cause : boot certification verify
---------------------------------
-----------------------------------------------------------------
Enter the fastboot...
Enter the fastboot...

Long time no see!
-----------------------------------------------------------------

I can't actually get into recovery mode because of this. Do you think I should use your unbricking method to reset it and put your ROM on?

Edit: Crap. I reinstalled some apps with Titanium Backup, and now it wont boot past the 'rethink possible' screen, and I can't reset because of the above error... So it looks like I'm using your unbricking method anyway!

Double edit: I get a 404 page for your ubricking package. Looks like the website is under maintenance. Any idea when it will be back up?
[LG Nitro HD] Swetnes:
Use this instead a little easier:

http://xdaforums.com/showthread.php?t=2044645
[LG Nitro HD] keboose:
daww, so close! I got through 3/4 of the steps before something didn't work. The KDZ_FW_UPD.exe program doesn't work. it crashes at 'unpacking kdz' every time. I was able to install my APN backup app, though, so until I figure this out, it's at least useable.
[LG Nitro HD] Swetnes:
Use this for flashing kdz only better compatibility with win 7:

http://xdaforums.com/showthread.php?t=2149211
[LG Nitro HD] keboose:
Thanks, that got me through the rest of it, but now my phone isn't rooted anymore! Should I run through the steps of the first one to the sparkyroot section again?
[LG Nitro HD] Swetnes:
Yes please follow every step.
[LG Nitro HD] keboose:
Alright, I did the first few steps again, and I'm back in V4.0.3 rooted. But now I have another problem:

Whenever I tell ROM Manager to reboot into recovery, it reboots, goes to the recovery loading screen (that android guy with a blue matrix in its chest,) but after a few seconds it just... skips it. It goes back to the LG logo, and boots normally. I tried re-flashing clockworkmod (I'm on v6.0.1.5,) but now I get that same secure booting error again!

What am I doing wrong here?
[LG Nitro HD] Swetnes:
You didn't follow every step, short version:

Install ICS

Root

Factory reset

Run before bat

Install kdz for GB using win 7 friendly version

Run after bat during boot loop

Battery pull then factory reset

Install cwm.
[LG Nitro HD] keboose:
thank you, I guess I needed the simpler steps, because I got through all of them, except the last one. I have ROM Manager installed, and Superuser is still here, so I did it right, but I still have the problem of not being able to reboot into recovery mode. I open up the ROM Manager, select to install from my SD Card, and I choose my ROM (the latest stable release of cyanogemod,) and it reboots... and then boots normally. I can't get into it, and it's the same deal with the 'boot into recovery' option.
[LG Nitro HD] Swetnes:
Phone must be powered off:

Hold down volume down

Then hold down power

Don't release till you see the white text

Hit the power button twice

Don't worry about the warning of a factory reset cwm overrides the stock recovery partition.
[LG Nitro HD] keboose:
So if I do a factory reset again, then the recovery mode will work? I'm not sure I understand.

EDIT: tried it. Hard reset, re-downloaded ROM Manager, still won't boot into recovery.
[LG Nitro HD] Swetnes:
OK looks like another missed step. Did you use ADB to push recovery onto the recovery partition? Using this process, from a windows command prompt in the adb directory:

ADB SHELL

SU

dd if=/sdcard/recovery.img of=/dev/block/mmcblk0p13

This is just steps 18 - 21 at the guide I referred you to.

http://xdaforums.com/showthread.php?t=2044645
[LG Nitro HD] keboose:
Thank you again! I read that those steps were optional and didn't think to look into what they did. Now It's working perfectly (and the cyanogenmod loading screen looks sw33t! I can't wait to try out the extra features!)
[LG Nitro HD] Tekone:
After rooted the v4.04 20c, install Titanium backup and follow up install CWM with using ROM Manager from the play store. Everytime I try to load up CWM it show is screen

Uploaded with ImageShack.us
[LG Nitro HD] Swetnes:
CWM can ONLY and I mean ONLY be installed from gingerbread. There are a few guides including this one that are labeled as UNBRICKING guides that will downgrade you to gingerbread so CWM can be installed.
[LG Nitro HD] Tekone:
The original download link this tool pack is down. Can you minor link can share?
[LG Nitro HD] mattman86:
You can manually flash the recovery .img file using the dd command on ICS.

I've fixed the link.
[LG Nitro HD] sosaidhaq:
Will this method work for Optimus LTE LU-6200

Hi, i am kinda newbie and has just bricked my Opltimus LTE ,lu6200 with 4.1 stock rom on it, during an attempt to go for CN 10.1

Please anybody tell me, will the nitro HD method would would work for my phone?

Whenever i start my phone , At LG logo i got message Secure Booting error, Cause : boot certification verify
[LG Nitro HD] Tekone:
How? do you have commands can share or link with instruction? I used the Terminal emulator flash recovery.img from sd-card didn't work.
[LG Nitro HD] Swetnes:
adb shell

su

dd if=/sdcard/boot.img of=/dev/block/mmcblk0p8

dd if=/sdcard/recovery.img of=/dev/block/mmcblk0p13

dd if=/sdcard/firmware.img of=/dev/block/mmcblk0p1

dd if=/sdcard/baseband.img of=/dev/block/mmcblk0p14

dd if=/sdcard/system.img of=/dev/block/mmcblk0p27

Just FYI you can save yourself a lot of time but just doing a little reading. But these are the steps you will need to flash IMG files. However, you still need to get the IMG files. I will give you a hint. Look in stickies......:D
[LG Nitro HD] Tekone:
Thank you for heat up. the comments dd if=/sdcard/recovery.img of=/dev/block/mmcblk0p13 don't work on ICS. The rest of comments for 2.3 GB stock rom firmware, system and baseband img.
[LG Nitro HD] Swetnes:
Actually they are for any ROM provided you have the image files. There are multiple ways you can get back to stock ICS. If you have trouble locating IMG files just do the emergency restore available through the app that installs when you install the lg drivers or use one of the unbricking guides or locate the kdz file for the version of ICS you want and use the kdz installer available in the general section of this forum etc etc etc. Once you get back to stock just re-root. If you want to install a custom ROM use the unbricking guide. So as they say there is more than one way to skin a cat. You just have to choose which method suits your needs.
[LG Nitro HD] Tekone:
Thank you again, i redo once again and able to get cwm installed. Thanks again for ur time and patience.
[LG Nitro HD] jrodil:
Help with download

Hi to all! May I ask if there's a specific program to use for unzipping the download on the very 1st post? I've downloaded the files from that link maybe 3-5 times already and for some reason, the executables from the Android folder are having issues and are not getting extracted. Most of the time, I see this when the archive is corrupted. Thank you!
[LG Nitro HD] mattman86:
I used 7zip to create it.
[LG Nitro HD] jrodil:
It worked!

Thank you very much! that tidbit of information has finally allowed me to extract all the files from the archive... whew!
[LG Nitro HD] HTC Venom:
Thanks

That was a straight foreword method and easy to follow , it worked for me for the first try on a win 7 pc

but i had to use a different way to obtain root as i used doomlord way to get root rights as both ways you mention didnt work out for me , and now i have CM10.1 working grate on my p930
[LG Nitro HD] sabin666:
Hi I'm trying to follow this guide to unbrick my phone since I upgraded to ICS4.0.1 my cellphone turns on with a grey screen :(. However I only have a windows 8 PC and I don't know if that's the issue but I don't see the "System Variables" in the Environment Variables menu. I've never tried this before since I didn't mind not having a custom firmware but now I don't have a cellphone anymore :/ .
[LG Nitro HD] audit13:
Download Hereric's unbrick package and run the file named P930_UDT_v18f_04112012.exe to re-flash your phone with the AT&T firmware.

http://50.23.216.69/showthread.php?t=2044645
[LG Nitro HD] hiru555:
Dear Developers.....

:crying:

I'm now fedup with MY su640. I first tried the Hereric's Easy Unbrick. But it it keeps on boot loop. and next This guid. but the phone hangs on the LG Optimus LTE screen and can't go ahead. I tried factory resetting. but no use. Also I tried downloading the HONO's V18f zip package and renamed it as in a middle page of this guid it wont install. What may be the reason... I have wasted about 5 days because of this stupid phone... Any halp. Thank you very much.
[LG Nitro HD] audit13:
I thought this guide was only for the Nitro HD rather than the su640 unless the su640 is also a Nitro HD.

I am in Canada and don't recall seeing the su640 here.
[LG Nitro HD] hiru555:
Dear Friend..

Yes. This is Nitro HD but Its the same phone with some different Model Number. This is the Korien version of the Nitro HD its for HK telecom. People have said this methord works for Su640 too. However How to Unbrick Su640. I have searched all over the XDA and found only the above 2 guids. If you can I would appriciate a link for a proper guide this phone.

Thank you.

EDIT....

Finally. after giving so much pain to the phone.. Now its working.. I downloaded the kdz file as in this Guide by Muhammad Ali

http://wiredsoup.blogspot.com/2013/02/lg-optimus-su640-comfirmed-working.html

Thank you so much Muhammad Ali.
[LG Nitro HD] haypatr:
I've gone through the first part of the guide with my V20c P930 but after step #34 the update tool tells me I'm running the most up to date software and won't let me install V10f. I'd appreciate any help, thanks.
[LG Nitro HD] audit13:
Are you in download mode when you move to step 34?
[LG Nitro HD] haypatr:
I am
[LG Nitro HD] audit13:
This is strange because I don't think the software even checks the rom version in emergency mode.
[LG Nitro HD] Swetnes:
That's because you are using the LG update tool not the kdz installer.
[LG Nitro HD] haypatr:
I'm using UpTestEX_mod2_marwin.exe and when I click "upgrade start" the upgrade tool opens in a new window.
[LG Nitro HD] Swetnes:
Looks like you skipped a step:

[*]Edit the ‘hosts’ file in “C:/Windows/System32/drivers/etc” and add the following line: “127.0.0.1csmg.lgmobile.com”

[*]Save the file.

Do that and reboot the computer (very important). Then it should be fine.
[LG Nitro HD] TheNitroNoob:
Can someone please help me?

My LG Nitro HD is stuck on Secure booting Error! Cause: boot certification only. Enter the fastboot... Enter the fastboot... Long time no see! I can't go to recovery because this pops up and I can't do a factory reset either because this comes up. I followed the full unbricking process, but at 93% it restarts my phone and instead of going booting up this comes up. Can anyone help me? Its so frustrating. I am running stock rom too!
[LG Nitro HD] mattman86:
Once you got unbricked, did you uninstall Google Play Movies?
[LG Nitro HD] TheNitroNoob:
Oh no I did not. Should I? Also I cannot access recovery. Below is the error I'm getting.

[15900] --------------------------------------

[15900] Secure Boot error!

[15900] Cause : boot certification verify

[15910]

[15910] --------------------------------------

---------------------------------------------------------------------

Enter the FastBoot...

Enter the Fastboot...

Long time no see!

---------------------------------------------------------------------

Thanks for the help by the way.
[LG Nitro HD] potatohead:
i m no dev but have owned numerous android phones and tabs since the years of cupcake and donut, and i have to say root for Nitro HD is by far the most cumbersome ...

many a great thanks to Machzelet and mattman86 for coming up with such detailed guides and providing the necessary resources.

i followed mattman86's guide to the dot and managed to root the Nitro without much hiccups.

for those looking to undertake this endeavor in the near future, do consider carrying out the tasks on a machine running xp 32bit as far as possible; i first tried it out on win7 64bit and road blocks of various kind popped up, ymmv.

if running the 'UpTestEX_mod2_marwin.exe' file results in C++ error, you will need to install the msxml.msi file found within the same folder.

also, the phone will be sluggish and not very responsive when you boot into V10f to root it (esp the turning wifi on/off part), some patience and finesse with the touchscreen is required.

do it only when well rested and in a good frame of mind with at least 1-1.5hrs to spare to avoid more headaches :)

if your battery is still draining at an alarming speed in gb or ics without any rouge apps running, it usually means the phone is not sleeping properly and unnecessary radios are on even if the screen is off, do give juice defender on play store a try, this free app will put your phone into true sleep

once again, many thanks to all those who have contributed one way or another to Nitro root :)
[LG Nitro HD] mattman86:
Thanks potatohead! I added a note to the guide about msxml.msi.
[LG Nitro HD] JINXR:
I'm also having trouble with getting the correct drivers for LGE CDMA USB Modem. Weren't you suppose to install the other drivers in the LGP930 folder?

EDIT:

Ok, I had to unhook my phone, pull the battery, uninstall all the LG drivers, reboot my computer, install the other 2 drivers in the LGP930 during step 12, put the battery back in, and went back into download mode. This allowed the CDMA USB Modem driver to install correctly and allowed the updater to find my phone. Maybe it's just a Windows 7 64bit thing, I don't know.

Even doing that it would lose connection at 3 or 4% during the update. So I tried again connecting my USB cable directly to the back of my computer. I also left the language in Korean since I remember it was mentioned changing it to English could cause problems. So far it's working. I'm at 49% on the update.
[LG Nitro HD] mattman86:
Just as expected :)
[LG Nitro HD] JINXR:
? I understand that going directly to the computer is better, if that's what you're getting at.

But you should still add a step 12b and 12c to install the Modemlink and USB Driver found in the LGP930 folder.

---------- Post added at 12:14 AM ---------- Previous post was at 12:08 AM ----------

Also, when I unzipped your Easy Unbrick download, all of the images are in the ANDROID folder and not the IMAGES folder. The images folder is empty. Will you confirm that the following images are supposed to be copied to the SD Card?

system.img

baseband.img

firmware.img

recovery.img

boot.img

prestoroot.img
[LG Nitro HD] mattman86:
I was saying that it is expected for the update to stop at 4%.

I will add those steps to 12 when I get back to my computer.
[LG Nitro HD] JINXR:
Right, but it would never get past 3-4% due to lost connection. It never worked until I installed those other drivers. That's what I was trying to get at.

Thanks for all your help
[LG Nitro HD] mattman86:
Shoot! Copy all those except the prestoroot.img one.

I am fixing the zip and uploading it now.
[LG Nitro HD] potatohead:
may be a win7 thing, progress went smooth as butter in xp ..
[LG Nitro HD] mattman86:
Adding a note about XP to the guide.
[LG Nitro HD] mith13:
Guys i would like to try the JB in CM10 but cant go back to stock..i tried all the steps as guided but not able to flash back to stock i dont thing my phone is bricked.is there an alternate way by which i can root and go back to stock please advise..
[LG Nitro HD] mith13:
one more question guys do we need internet access while Unbricking cos is keep getting error-server maintenance..

:confused:
[LG Nitro HD] mattman86:
Looks like you didn't follow steps 13 through 23 right. Make sure you change the port number, edit the host file, and flush the dns.
[LG Nitro HD] miguellopez12:
im almost about to update and when i click "upgrade start" it says that i need to install CSMG B2C Client tool. but when i go to tools it says that it is already installed. I have everything else done so far i think.
[LG Nitro HD] mattman86:
Just run the exe mentioned in step 24
[LG Nitro HD] Flyview:
Great accurate guide! However, I don't think the following is accurate!

If you "brick" the phone, you usually need to follow the full unbricking guide. A CWM backup will not work to restore the phone. For example, one "bricking" that has happened to a few of us is the phone acting extremely slow to any input. A change in SD cards has been correlated to this "brick" effect. A CWM restore will not solve this but can be applied after the full unbricking to restore all your data. It must be that whatever is broken is not flwshed by CWM. I.E., probably something in baseband, firmware, or bootloader partitions.
[LG Nitro HD] mattman86:
Not correct... The bricking is from a corrupt system partition. CWM will restore that partition just fine.
[LG Nitro HD] miguellopez12:
I ran the exe in step 24 and it still didn't work
[LG Nitro HD] mith13:
this is the change made in the host fine please check and conform..

# Copyright (c) 1993-2009 Microsoft Corp.

#

# This is a sample HOSTS file used by Microsoft TCP/IP for Windows.

#

# This file contains the mappings of IP addresses to host names. Each

# entry should be kept on an individual line. The IP address should

# be placed in the first column followed by the corresponding host name.

# The IP address and the host name should be separated by at least one

# space.

#

# Additionally, comments (such as these) may be inserted on individual

# lines or following the machine name denoted by a '#' symbol.

#

# For example:

#

# 102.54.94.97 rhino.acme.com # source server

# 38.25.63.10 x.acme.com # x client host

# localhost name resolution is handled within DNS itself.

# 127.0.0.1 localhost

# ::1 localhost

127.0.0.1 csmg.lgmobile.com

--------------------------------------------------------------------------------------------------------------------

and here is the screen shot of step 13 change in port no is it ok. please let me know where i went wrong..