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[GUIDE][ROOT] Root your LG L40/L70/L90/G2 mini!

OP olegat0r

26th April 2014, 08:25 PM   |  #1  
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Deprecated!
Use TowelRoot app instead! It is oneclick and without reboot.

Starting fom 10e firmware TowelRoot doesn't work. For root you can use this guide or PurpleDrake script for G3 - it works fine on LG L90.
Here is the link: http://goo.gl/0E3jMn
However, this guide still works!

Code:
#include 
/*
 * Your warranty is now likely void.
 *
 * I am not responsible for bricked devices, dead SD cards,
 * spontaneous combustion, or any other host of cosmic penalties
 * which may befall you, your family, or your phone.
 *
 */
First of all we have to say thanks to sintazqz from 4pda for being the first to root the phone.
The procedure is done for L90 but it also have to work on other similar 2014 year LG phones with kitkat as L40, L70, G2 mini and others (L80). Confirmed working!
Carrier branded phones are not supported as I can see from replies.
It is recommended to fully charge your phone before the procedure.
After the procedure the phone will be rooted and the hidden LG RCT utility will know about it. So your warranty is likely void.

So, let's go:

1.Format external sdcard using cardreader into ext2. I use Windows 7 so I installed MiniTool Partition Wizard from here to format my sdcard.
Quote:

USE ONLY PRIMARY PARTITION, NOT LOGICAL! thnx for note to @wikid24

The reason to use ext2/3/4 partition is that ntfs/fat partitions are not detected by recovery.
You can also try ext4, if ext2 doesn't work for you!

2.Download update.zip that is attached to the post and move it to your ext2 sdcard. I had to use Ext2Fsd tool to mount ext2 partition to Windows 7.
update.zip
Quote:

HELP for Windows users:
Open Ext2Fsd tool and find your ext2 partition there.
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RightClick on your ext2 partition, choose "Ext2 Management", uncheck the first checkbox (mount read-only) and check the second (automatically mount...).
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Click Apply.

Now you can move update.zip using Windows Explorer. So move it.
update.zip

3.Install LG drivers if you still didn't.

4.If you don’t have ADB on your computer: install Android SDK or just download ADB.rar and unpack it somewhere (e.g. C:/ADB/ )
ADB.rar

5.Prepare your phone. Turn on USB debugging: Settings – General – Developer options – USB debugging.
If you don’t see it: Settings – General – About phone – Common – Software info – click 5-10 times on Build number.
Added by @Cliffwiggum about L40c/L70c versions:
Quote:

I successfully rooted the LG optimus zone 2 from Verizon prepaid which is the LG L40c, as well as the LG optimus exceed 2 which is the LG L70c. In order to get either phone into USB debugging mode I had to connect my phone as Internet -> Ethernet (instead of MTP) before USB debugging mode would turn on.

6.Connect your phone to computer.
ATTENTION! On the first connection to computer it will ask you to allow USB debugging.

7. Open ADB. (I use Shift+RightClick on ADB folder and choose Open command line)

8.In the opened window type the next line and press Enter.
Code:
adb devices
It will show your LG device:
Code:
List of devices attached
LGD410a123456   device
Then type next lines. Press Enter after each of them.
Code:
adb shell
reboot recovery
The phone will reboot to stock 3e recovery.

9. Now you can unplug your phone. Plug in your sdcard.
Quote:

Navigation: Volume+/- = Up/Down; Power = Choose.

In recovery choose “apply update from external sdcard” – update.zip
Then choose “reboot system now

The phone will reboot.

You are ROOTED!
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To unroot and save your warranty you just have to reflash the ROM by LG Mobile Support Utility - Upgrade recovery option.
LG RCT tool will forget that it was ever rooted. All the settings (except those that need root) will be kept.
Last edited by olegat0r; 15th October 2014 at 03:50 PM. Reason: updated with new method
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26th April 2014, 09:38 PM   |  #2  
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Working for the L70. Thanks.
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26th April 2014, 11:37 PM   |  #3  
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Not working for my L70, "reboot recovery" in adb just does a normal reboot instead of going into the stock 3e recovery.
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26th April 2014, 11:47 PM   |  #4  
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Radauti
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I rooted my LG L70(LG-D320n)
Quote:
Originally Posted by olegat0r

You are ROOTED!
Attachment 2710410

Yes! Work for L70 D320n! Big Thanks for olegat0r!!!
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26th April 2014, 11:47 PM   |  #5  
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Quote:
Originally Posted by endlesssnowfall

Not working for my L70, "reboot recovery" in adb just does a normal reboot instead of going into the stock 3e recovery.

That's strange, because I've got confirmation that it works on L70 too.
Maybe someone will find what's wrong.
Do you write "adb reboot recovery " or "adb shell " and then "reboot recovery "? Because first method really just reboots the phone.

Sent from my new LG L90 D410 that is FINALLY ROOTED!!
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27th April 2014, 12:33 AM   |  #6  
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Vilnius
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I can confirm, ROOT works on LG L90 D405N
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Last edited by traker4; 27th April 2014 at 12:40 AM.
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27th April 2014, 12:56 AM   |  #7  
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Quote:
Originally Posted by olegat0r

Do you write "adb reboot recovery " or "adb shell " and then "reboot recovery "? Because first method really just reboots the phone.

I wrote "adb shell" and then "reboot recovery". I have a L70 D323, maybe that's why it doesn't work.
27th April 2014, 06:16 AM   |  #8  
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Lg l70 d325
it does not work on LG L70 D325, it has become corrupted, I need to fix rom for LG L70 D325

---------- Post added at 04:16 AM ---------- Previous post was at 03:25 AM ----------

I need rom LG L70 D325
27th April 2014, 07:13 AM   |  #9  
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i my L90 user ...i try it..but where can i download card reader?
the ext2fsd say <ext2fsd could not be started>...

---------- Post added at 05:13 AM ---------- Previous post was at 04:24 AM ----------

i win8 can't use..and where can i download card reader?
27th April 2014, 07:21 AM   |  #10  
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Buckeye
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@olegat0r do you think you can do a system dump , you know for science

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