All About LG Leon( Stock firmwares, Custom roms, Kernel, Unbricking, Recovery, Unlocking Bootloader And Rooting)

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   This is the collections of stock firmwares, custom roms, kernel and rooting guides available for the Lg leon ,also known as LG Leon 4G LTE H340N . This post contains useful instructions on how to root, unbrick,  unlock bootloader and install recovery on your phone. Most of the download links are not in english language, you must use a browser with automatic translation i recommed google Chrome.

All Useful And Needed Files For The LG LEON

TWRP RECOVERY (For installing Custom Roms)
DOWNLOAD
LG DRIVERS ( To Make Flashtool And ADB Work On Pc)
DOWNLOAD 
LG FLASHTOOL ( For installing Stock .KDZ Files And Unbricking)
DOWNLOAD 
 XPOSED INSTALLER ( FOR LG LEON)
DOWNLOAD 
XPOSED LOLIPOP FRAMEWORK ( WORK WITH MOST 5.0 ROMS)
LG ONE CLICK ROOT Root + SupuerSU ( FOR EASY ROOTING OF LG H340N)

LG LEON OFFICIAL/STOCK FIRMWARES DOWNLOADS ( 5.0 ROMS) 

VERSION 10F
DOWNLOAD
VERSION 10E
VERSION 10C
H32410C_00.kdz
DOWNLOAD

LG-Leon (H324) – Backup version 10C ( Flash with recovery)
DOWNLOAD

Backup V10f Firmware for TWRP ( Flash with Custom Recovery)
DOWNLOAD

H32410D_00.kdz
DOWNLOAD

 System Firmware Image From Version10E
DOWNLOAD

Greece Firmware For Europe leon Version. (This folder contains firmwares from Greece,use it only from EUROPE!)
DOWNLOAD

HOW TO INSTALL THE ABOVE KDZ FILES AND ALSO UNBRICK YOUR DEVICE

  • Install Drivers and Unrar LG Flashtool.rar into a folder
  • Download above Kdz firmware and copy to the LG Flashtool Folder.
  • Switch off Remove your phone battery and put it back in.
  • Hold the Volume Up button (ONLY) while connecting to the USB cable(The Volume Up button needs to be hold until it reaches the download mode section)
  • Open Device Manager
  • Change the LGE Mobile USB Serial port to COM 20
  • Open Flash Tool Select Type: 3GQCT PhoneMode: EMERGENCY KDZ( The kdz you download. It must be at same folder as the LG Flash tool!)
  • Click on Normal Flash Click on Clear update registry Country: Different Country Language: English Click okay and wait for the LG Mobile Support tool to recognize the device.
  • It takes a minute or two but the flashtool will recognize your phone.
  • The software starts the extraction and re-boots at 100%. You can remove USB cable, your device will boot normally, and the device is no longer stuck in a boot loop.
For more information on Installing stock lg kdz roms check out this video below:

HOW TO UNLOCK BOOTLOADER

  • Launch the Settings Application
  • Scroll Down and Tap on About Phone(or About Device)
  • Locate the Build Number Section Tap on the Build Number Option 7 Times
  • Go Back to the Main Settings Page Scroll Down and Tap on Developer Options
  • Enable USB Debugging mode.
  • Look for the ‘OEM Unlock’ Option in the Developer Mode Section (tap and check the box)
  • Now the bootloader is unlocked.

HOW TO ROOT AND INSTALL SupuerSU

  • Download and unzip the rooting file ( LG_Leon_OCR_v2 4. )
  • Connect your LG leon to the computer via USB cable.
  • Make sure you have unlocked bootloader.
  • In the Extracted LG_Leon_OCR_v2 folder click the root.bat (This will root your device)
  • Follow the instructions and wait. (Phone will reboot a couple times)
  • When done you may need to remove battery and reboot.
  • You are now rooted. 

HOW TO INSTALL XPOSED FOR LG LEON MS345

  • Boot into recovery TWRP Tap Install
  • Navigate to folder you saved xposed-v79-sdk22-arm.zip and select.
  • Swipe to confirm Flash.
  • When Flash is complete Reboot to System.
  • Install XposedInstall_3.0_alpha4.apk
  • Now you should have Xposed framework installed and be able to download modules.

KERNELS DOWNLOAD

Optimal kernel for Lg leon
Install with Twrp recovery work with stock Firmware.

OptiSmartKernel [3.10.54]

FEATURES:
-Optimized
-Plavnost
-Reduce Heat
-optimization GPU
Disabling unnecessary logging and reduced the size of the buffer
-A large free RAM
-Undervolting
-Dynamic FileSync
some minor fixes

All thanks to
igronafr229  and djperya
Download Optismart Kernel

Another Android kernel cwm

Download

AVAILABLE CUSTOM ROMS FOR  LG LEON  

Note: Do not forget to backup your stock firmware before installing any of the custom roms. Am not responsible for brick phones and data loss, if any problem or errors should occur i will do my best to help.

AOSP CUSTOM  ROM

DOWNLOAD

GAPPS
DOWNLOAD

EXCEPTIONOS CUSTOM ROM

DOWNLOAD

Root Update Supersu
Download

EXCEPTION V2

DOWNLOAD

EXCEPTIONOS v3.1.zip

DOWNLOAD

LP UlTIMATE CUSTOM ROM

DOWNLOAD

ZENUI CUSTOM ROM

This firware has some bugs, but it is usable
Bugs:
Gallery does not play some videos
Problems with sound
keyboard disappears after flashing Gapps. You can download keyboard from store

DOWNLOAD

 

HTC UI CUSTOM ROM

DOWNLOAD

24 Comments
  1. John Jewell says

    Any Marshmallow ROMS for LG Leon?

    1. abbey banji says

      There is no stable marshmallow rom for LG Leon for now, rom developers are still testing.

      I will update you as soon as possible when a stable android 6.0 is available thanks.

    2. Unknown says

      Hi,i need intall fm radio,help me please!

  2. T B says

    so the OptiSmartKernel zip posted above works on Lg Leon ms345? Its Metro Pcs United States. Ill flash it from TWRP and post my results.

    1. Anonymous says

      did it work?

    2. T B says

      it flashed in twrp but i cant tell if it helps/works

  3. Josué Aquino says

    Does this works with the MetroPCS version? (the custom roms)

    1. abbey banji says

      yes it should work, make sure you backup your current rom before flashing the custom roms.

  4. T B says

    I have Metro PCS Lg Leon. I flashed the optismartkernel. It flashed in twrp but i cant tell if it helps/works. In settings it doesnt say anything under kernel info….???

  5. T B says

    I have Metro PCS Lg Leon. I flashed the optismartkernel. It flashed in twrp but i cant tell if it helps/works. In settings it doesnt say anything under kernel info….???

  6. T B says

    Lg leon ms345 (metro) is Qualcomm and lg leon h234 is mediatek… So you tell me

    1. abbey banji says

      Yes Lg Leon Ms 345 is Qualcomm MSM8916 Snapdragon 410
      CPU Quad-core 1.2 GHz Cortex-A53.

      The lg leon h234 is made for the chinese market, and it has a different processor

    2. abbey banji says

      Have you try to flash any of the Roms on your phone?
      Did it work on your metro Lg Leon

    3. T B says

      No these roms dont work on ms345

  7. cody simmons says

    Do any of these Roms work on the the t-mobile varient of the lg leon H345 C50

    1. abbey banji says

      No! this Roms are only for the 340n 4g Lg leon version, but you are free to test any of the them on your device.

    2. cody simmons says

      I got cynagon mod to work on my device luckely..

    3. abbey banji says

      Lol 😀 you are a very lucky guy then, i will be posting Custom Roms for H345 C50 L.G leon very soon. Thanks for your comment.

    4. Courtney Clarke says

      How did you get it to work on h345?

    5. Courtney Clarke says

      How did you get it to work on h345?

  8. Klaus Klein says

    Wheres the customs roms to lg leon ms345?

  9. Radosław Fiedor says

    There is any custom rom for LG H340n ? It's Europe Leon LTE model

  10. Andrés Palumbo says

    Hi! I have some questions. Are the kernel, the custom roms, twrp recovery and the root method compatibles with official marshmallow 6.0 rom? I' m italian and my lg leon is personalized by an italian operator. Are the twrp and the kernel compatibles? Sorry for my bad english.

  11. phely says

    hello please im using lg leon h340n i got hard brick qualcomm hs usb diagnostics 9006 i need a raw or backup of it please can you share the link here

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