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Old August 27th, 2013, 07:01 PM   #1 (permalink)
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Default HOW-TO: Root the MetroPCS L9 (LGMS769)

First off, let me preface this by saying there shouldn't be any difference between the Metro L9 or T-Mo's L9. If you have Metro's version, you can see on the bottom of the box that it actually says TMUS P769. The only difference is varying stock ROMs. Technically, you can use this guide on the T-Mo branded P769, but only if you want to run the Metro V10B version of the stock ROM (4.1.2). I recommend only Metro users follow this guide, but it's your choice.

Second, rooting or unlocking this phone is not easy. There's really no way around it. It isn't difficult if you understand the process. Unfortunately, a lot of the rooting/unlocking BL information is spread across many places. I will try my best to condense the information. FWIW, this is how I rooted the phone. I can confirm this method worked for me. The following will only root the phone.

USUAL DISCLAIMER: I AM NOT RESPONSIBLE FOR ANY DAMAGES (BRICK, UNWANTED SIDE-EFFECTS). YOU ARE DOING THIS AT YOUR OWN RISK!

Generally speaking, this is the process we're doing when we root. We take LG flashing tools to flash the stock ROM (in KDZ format). While the flashing process takes place, all the files need to be unpacked before the flashing can take place. As the files are being unpacked (BINs), we're swapping one out with a modified version that allows the root.

First things first, we need the appropriate programs and files in order to do this process. We will need these things:

Getting Everything Ready

On your phone, go into Settings -> Developer and enable USB debugging. Then, go to Settings -> PC Connection and choose LG Software mode. Now, plug the phone into your computer.

Click the link to the root package. There are 2 zips inside the root package (RootLelusICS and RootLelusJB). Extract all folders from these zips. Once extracted, you should have 4 folders total (RootFlash, RootLelusICS, shttps, and RootLelusJB). Take these folders and put them in your C: drive. They have to be in the root folder of the C: drive. This is important. If they're not in the right spot, nothing will work!

Now, go ahead and download the USB drivers and text file. Go ahead and install the USB drivers, and open up the text file. The text will give the proper folder locations and the right info in order for the whole process to work. It's your choice if you want to use the text file. I will putting the same info in this guide.

Download everything else and put the files where you'll remember them.

Now, look in the RootFlash folder. You will need to run 2 programs:
  • B2CAppSetup.exe
  • msxml.msi

Allow both of these to install. Once they're finished, go ahead an close them.

Now, we need to prepare shttps. This program allows the LG flashing tool to work offline. We accomplish this by modifying our hosts file to redirect network traffic and spoof the program.

Open up Notepad as administrator (right click and choose Run as Administrator). When Notepad opens click File -> Open and copy/paste the following in the "Open Box"

Code:
C:\Windows\System32\drivers\etc
Look for the hosts file. If you see nothing, make sure to enable the option to see all files. Once it's opened, copy and paste the following into the file:

Code:
##Host Change
127.0.0.1 csmg.lgmobile.com
127.0.0.1 csmgdl.lgmobile.com
Save the file, and close it. You will need to restart your PC at this point.

Now, go back the shttps folder (we put it in the C: drive), and right-click https.exe. Click Properties. Look for "Windows Compatibility Mode" and make sure it's set to Windows XP SP3. (NOTE: this only needs to be done if you're running Win7/8)

Now, right-click https.exe again, and run it as administrator. Once it's running, minimize the program. Do not close it.

Now, go into the RootLelusJB folder (we put it in the C: drive). Run the rootL9 program. Now we should be ready to flash.

Flashing Magic

Go into the RootFlash folder (we put it in the C: drive). Look for UpTestEX_mod2_marwin.exe . Right-click it, go into properties and do the same thing you did for https.exe. Now, go ahead and run UpTestEX_mod2_marwin.exe as administrator.

When the program opens, ensure the "Type of Flash" is "3GQCT". Make sure the "PhoneMode" is "DIAG". Go ahead and select the stock KDZ that you downloaded. Then, go ahead and click "NORMAL WEB UPGRADE TEST" near the bottom of the window. Follow the prompts and choose your preferred language.

Move the flashing window out of your way. Open up a folder window and copy/paste the following location:

Code:
C:\ProgramData\LGMOBILEAX\Phone
When the flashing process reaches 8% progress, go ahead and go into the folder (you know the install is unpacking files when the text turns red). You'll start seeing BIN files start appearing in that folder. The files should look something like this:

Code:
LGMS769_AP[number here].bin
When you see LGMS769_AP[11].bin appear, copy/paste the modified BIN you downloaded at the top of this guide. Make sure it replaces the original file. Time is somewhat a factor, but you shouldn't need to rush. Just make sure that it gets overtaken.

Special NOTE: Some users (WinXP) will need to use the following folder location instead of the one listed above. All steps are the same, however, you will need to be in this folder location to see the BIN files:

Code:
C:\Documents and Settings\All Users\Application Data\LGMOBILEAX\Phone
After the flashing is complete, you should have a rooted L9. Enjoy!

Ending NOTE: If I missed something, please tell me. I will correct the guide. I haven't decided if I'm going to write an unlocking BL guide (as there's a solid video tutorial out there), but will consider it if people are looking for it.

Credits for files:
  • Lelus @ XDA for root guide package
  • kuma82 @ XDA for modified BIN
  • carloswii5 @ XDA for all other files

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Old August 27th, 2013, 07:37 PM   #2 (permalink)
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The LG software keeps crashing halfway through on my older Windows Vista laptop. :-/
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Old August 27th, 2013, 07:52 PM   #3 (permalink)
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Quote:
Originally Posted by methamp View Post
The LG software keeps crashing halfway through on my older Windows Vista laptop. :-/
I may of missed a step. Go into your phone. Go to Settings -> PC Connection and choose LG Software mode. Does this help with the crashing problem?

Also, where it says Work Directory, ensure that it's at C:\RootFlash
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Old August 27th, 2013, 08:25 PM   #4 (permalink)
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That was already done, and it still crashes. I had one successful flash to T-Mobile (wasn't quick enough to replace file on that flash), then I flashed back to stock, then I tried to flash this Metro version and it keeps freezing.
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Old August 28th, 2013, 12:09 PM   #5 (permalink)
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That was already done, and it still crashes. I had one successful flash to T-Mobile (wasn't quick enough to replace file on that flash), then I flashed back to stock, then I tried to flash this Metro version and it keeps freezing.
I seen a lot of people saying to run it in compatibility mode to winxp..
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Old August 28th, 2013, 12:13 PM   #6 (permalink)
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Isaacj87, good deal making this tut.. I'm in the process of making a tut for unlocking the bootloader. I'm writing exactly what I did to unlock on the metro L9.. Haven't had a whole lot of time to work on it lately..
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Old August 28th, 2013, 02:17 PM   #7 (permalink)
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Quote:
Originally Posted by skinlab View Post
Isaacj87, good deal making this tut.. I'm in the process of making a tut for unlocking the bootloader. I'm writing exactly what I did to unlock on the metro L9.. Haven't had a whole lot of time to work on it lately..
Cool, man. If you want, you can take whatever you need out of this guide for your BL guide. I found the process was pretty much the same other than the unlocking command and flashing a new ROM.
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Old August 28th, 2013, 03:04 PM   #8 (permalink)
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Originally Posted by isaacj87 View Post
Cool, man. If you want, you can take whatever you need out of this guide for your BL guide. I found the process was pretty much the same other than the unlocking command and flashing a new ROM.
OK bro cool deal.. I appreciate that.. I will have time this weekend to finish it..
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Old August 29th, 2013, 09:10 PM   #9 (permalink)
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Thumbs up

I have root after more than 10 tries !!!
This method does not delete data, very good.
Thanks a lot
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Old August 29th, 2013, 09:48 PM   #10 (permalink)
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Originally Posted by aaanadie View Post
I have root after more than 10 tries !!!
This method does not delete data, very good.
Thanks a lot
I'm glad the guide was helpful. No, I think flashing the (any?) KDZ with this method won't remove all your user data, so it works out pretty well in the end.
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Old August 30th, 2013, 09:23 AM   #11 (permalink)
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Got it. Thanks.
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Old August 31st, 2013, 04:37 PM   #12 (permalink)
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hey isaac, just wanted to say thank you for taking the time out to write the guide.

i followed your process exactly, and i believe that the process was successful, but i'm not entirely sure how to check if my phone is actually rooted or not. i tried to run super SU after your process but i'm getting an error stating:

"There is no SU binary installed and SuperSU cannot install it"

which leads me to believe that something went awry.

Should I attempt the process again from the beginning or is there another way to fix my root?

Thank you!





edit:
for anyone else having trouble with this method, there is another method at:
http://forum.xda-developers.com/showthread.php?t=2173465
which seems like is similar but slightly different. i will be attempting this xda method later this week.
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Old August 31st, 2013, 05:42 PM   #13 (permalink)
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Thumbs up Root success

I was just being a man of my word because when I was doing this I said if it worked I'd join and thank the person who created this post...so thank you...not gonna lie did have to figure out a few things but once I got the hang of it I was rooted after the 1st try very good instructions.....thanks again!
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Old August 31st, 2013, 06:22 PM   #14 (permalink)
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Thanks for the feedback, guys. I had to write the guide under the assumption that the user to figure out the little things if necessary. There's just too much information.

@hamhamt: There really isn't any harm in running through the process again. If you're receiving the error, my guess is when you ran the rootL9 script, it didn't send correctly. The SU binary never made it to your phone. My suggestion is run through the process again. When running rootL9, make sure you see ADB send over the files correctly.
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Old August 31st, 2013, 10:12 PM   #15 (permalink)
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Quote:
Code:
C:\ProgramData\LGMOBILEAX\Phone
When the flashing process reaches 8% progress, go ahead and go into the folder (you know the install is unpacking files when the text turns red). You'll start seeing BIN files start appearing in that folder. The files should look something like this:

Code:
LGMS769_AP[number here].bin
When you see LGMS769_AP[11].bin appear, copy/paste the modified BIN you downloaded at the top of this guide. Make sure it replaces the original file. Time is somewhat a factor, but you shouldn't need to rush. Just make sure that it gets overtaken
Sorry, I'm new to this. I can't find this location in windows xp. i tried finding any folder similar in name and was unsuccessful. the update program completed the install and my phone restarted. am i missing something?
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Old August 31st, 2013, 11:58 PM   #16 (permalink)
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Quote:
Originally Posted by mbachelder85 View Post
Sorry, I'm new to this. I can't find this location in windows xp. i tried finding any folder similar in name and was unsuccessful. the update program completed the install and my phone restarted. am i missing something?
My mistake; this is something I left out of the guide. For your WinXP users, the folder location might be here:

Code:
C:\Documents and Settings\All Users\Application Data\LGMOBILEAX\Phone
Please try that location, and see if that works for you.
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Old September 6th, 2013, 01:34 AM   #17 (permalink)
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Smile Apps2SD

Also figured out how to get apps to sd...actually just had to edit build prop and add two codes I will find and make screenshot and post for others thank god external memory is finally useful.
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Old September 8th, 2013, 06:46 PM   #18 (permalink)
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I did this two times, step by step, and it does absolutely nothing.

Edit: I did miss a step, I miss the LelusJB step, will try again...

Okay, I did it with the Lelus, no root...
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Old September 12th, 2013, 01:05 PM   #19 (permalink)
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Just got my L9 today, rooting went fine, thx alot.
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Old September 16th, 2013, 03:43 PM   #20 (permalink)
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Excellent guide. Worked well. Only trouble I had was LG tools crashed on me while replacing the modified .bin during software upgrade.

For anybody else who have yet to do this, if this happens to you, don't unplug the phone! Just let it be, restart the LG update tool and start it again. I'm not sure if unplugging it would cause any bricking, but I would think it does.
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Old September 17th, 2013, 02:59 PM   #21 (permalink)
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[EDIT] Long story short, make sure to save the hosts file changes. Oops
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Old September 19th, 2013, 03:47 AM   #22 (permalink)
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can someone post the hosts file text i deleted it on axedent can tall give me the text so i can paste it back on
p oh and when i look for LGMOBILEAX it does not have phone folder

##Host Change 127.0.0.1 csmg.lgmobile.com 127.0.0.1 csmgdl.lgmobile.com
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Old September 22nd, 2013, 04:38 PM   #23 (permalink)
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Hey, can't the kdz just be repackaged with the modified file and an auto install script be made for whatever os you're running to add files where you need them?

This would make rooting less intimidating to newer users
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Old September 25th, 2013, 05:04 PM   #24 (permalink)
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Just got this phone and it is a much enjoyed improvement over the admire. The root method went smooth. No issues. Gonna give the bl unlock a go next. Just wish there was a specific one just for the 796 from metro. Might hold off for a few weeks in hopes of one showing up.
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Old September 29th, 2013, 10:33 AM   #25 (permalink)
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Default I desperately need help.

I can't download the RootLelusICS.zip because my computer is detecting a virus in it. The modified bin file is also "temporarily unavailable".

I've spent countless hours already looking for a Metro PCS Optimus L9 root method and everything I find just has me running all over. I have faith in this one but I can't even get all the files... Could you email them to me? All I need is the ability to move apps to the SD card because the internal memory on this phone is so awful. Why they didn't make that an option when developing the phone beats the hell out of me. Please help me out here, I'm getting beyond frustrated.
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Old September 29th, 2013, 11:52 AM   #26 (permalink)
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Quote:
Originally Posted by austinharpel View Post
I can't download the RootLelusICS.zip because my computer is detecting a virus in it. The modified bin file is also "temporarily unavailable".

I've spent countless hours already looking for a Metro PCS Optimus L9 root method and everything I find just has me running all over. I have faith in this one but I can't even get all the files... Could you email them to me? All I need is the ability to move apps to the SD card because the internal memory on this phone is so awful. Why they didn't make that an option when developing the phone beats the hell out of me. Please help me out here, I'm getting beyond frustrated.
This rooted me in five minutes...
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Old September 29th, 2013, 12:08 PM   #27 (permalink)
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Someone tell me how to unlock Prestigio PAP5000T DUO?
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Old September 29th, 2013, 06:03 PM   #28 (permalink)
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Quote:
Originally Posted by Allex86 View Post
Someone tell me how to unlock Prestigio PAP5000T DUO?

You'll have to search in that phone's thread. This is for the LG Optimus L9
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Old September 30th, 2013, 02:17 PM   #29 (permalink)
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I found PAP5000DUO. Can't find T. I just need a help from someone who understand or have answer.
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Old September 30th, 2013, 04:22 PM   #30 (permalink)
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Quote:
Originally Posted by Allex86 View Post
I found PAP5000DUO. Can't find T. I just need a help from someone who understand or have answer.
Since the phone you're seeking help on doesn't have its own thread on AndroidForums, your best bet is to ask in Guest Questions - Android Forums or perhaps another site with more details on your particular phone.

This forum is designated for the LG Optimus L9, not the Prestigio.
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Old October 8th, 2013, 01:19 PM   #31 (permalink)
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Default kdz

what program do i use to open up the stock kdz
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Old October 8th, 2013, 03:43 PM   #32 (permalink)
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Old October 13th, 2013, 12:14 PM   #33 (permalink)
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Please somebody help me, I did everything but from another guy and I was a little confused, at the ending I didn't have time to overwrite the BIN file, so I guess my root try failled, please I need some help If anybody knows what to do, so I can root my phone text me frankalainsuarez@gmail.com
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Old October 25th, 2013, 10:35 AM   #34 (permalink)
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I got an access denied error. Please provide a working link for Stock Rom (KDZ). Thanks..
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Old December 10th, 2013, 09:02 PM   #35 (permalink)
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found a link on xda to stock kdz Flashed new MetroPCS LGMS76910b on LGP769 - Page 4 - xda-developers
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Old December 10th, 2013, 11:49 PM   #36 (permalink)
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To root the l9 you should be able to use cydia impactor
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Old December 15th, 2013, 01:43 PM   #37 (permalink)
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Quote:
Originally Posted by Tokenpoke View Post
To root the l9 you should be able to use cydia impactor
Thats just too easy! Confirmed it works..
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Old March 1st, 2014, 08:39 PM   #38 (permalink)
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Default quick question

will this erase my contacts? im sorry to have to ask i just need to know ahead so i can back them up somehow.

and do i need a usb driver installed on my pc to do the cydia impactor thing?

nice video on impactor usage

=======================================
ok so this impactor method would not lose contacts it seems... but my phone i just bought a couple months ago and it seems the signature bugs were fixed so i will do the thread's method above, unless someone warns me otherwise. So if you have a brand new of this model the cydia method probably wont work.

Also if i do the main method above... i think that that wipes contacts but now im not worried i have them sync'd with google sync.

So... if there is any reason i should worry about the method the thread was about, please someone let me know so i dont brick my phone.

Thanks all, hopefully my exploration helps.
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Last edited by codeboy; March 1st, 2014 at 09:32 PM. Reason: moreinfo - video link about cydia impactor
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Old March 1st, 2014, 09:35 PM   #39 (permalink)
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also anyone know if this works LINK
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Old April 19th, 2014, 05:56 AM   #40 (permalink)
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Any solution for the app to SD? Is there any way to expand the amount of memory on a metro pcs LG l9? Please advise. Thank you.
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Old June 24th, 2014, 02:06 PM   #41 (permalink)
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Default I just found an incredibly easy way to root my P769

It turns out that there's a PC app called Vroot which basically roots the MetroPCS L9 very simply. Their app actually claims to be able to root over 8000 Android devices. Quite amazing.
They even have an English version here: (sorry cannot post link here because am new to forum. Search for mgyun dot com vroot and look for the link to their English page.)

After it rooted my MetroPCS LGMS769 I immediately went to Play Store and installed SuperSU. When SuperSU runs for the first time it will detect that there is another root app on the system and ask to uninstall it which I did.
I then went in to Titanium Backup and at the very bottom of the apps list in the Backup/Restore tab there is an app with Chinese characters for its name. I made a backup of it and then uninstalled it.
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Old August 11th, 2014, 07:33 AM   #42 (permalink)
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Followed this to the tee 2 times now and I am getting security error boot ups
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Old August 11th, 2014, 01:34 PM   #43 (permalink)
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Quote:
Originally Posted by fufanux View Post
Followed this to the tee 2 times now and I am getting security error boot ups
If you get the security error and the phone will not boot you have to use the LGMobile Support Tool to do a recovery of the phone.
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