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.
*
*/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.
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.
View attachment update.zip
Now you can move update.zip using Windows Explorer. So move it.HELP for Windows users:
Open Ext2Fsd tool and find your ext2 partition there.
RightClick on your ext2 partition, choose "Ext2 Management", uncheck the first checkbox (mount read-only) and check the second (automatically mount...).
Click Apply.
View attachment 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/ )
View attachment 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:
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
Code:
List of devices attached
LGD410a123456 device
Code:
adb shell
reboot recovery9. Now you can unplug your phone. Plug in your sdcard.
In recovery choose “apply update from external sdcard” – update.zip
Then choose “reboot system now”
The phone will reboot.
You are ROOTED!
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.
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