ROOT MetroPCS LG Leon (LGMS345) - Lollipop 5.1.1

LG Leon LGMS345 d/e/y Variants - MetroPCS

DISCLAIMER: ROOTING YOUR PHONE WILL PROBABLY VOID YOUR WARRANTY FROM BOTH THE CARRIER AND THE MANUFACTURER. IF YOU DO NOT WISH TO ACCEPT FAULT FOR ANY ADVERSE EFFECTS OF ROOTING, THEN DO NOT READ ANY FURTHER.

This root method was found on Android Forums . All credits belong to CamoHiddenDJ

This will root your phone and install SuperSU. 

Requirements:

1.  LG Leon LGMS34510 d/e/f  - Lollipop 5.1.1 
2. Computer running windows.
3. Unlocked bootloader. If you do not unlock your bootloader you will soft brick your phone.

How to unlock bootloader on your LG Leon?

Launch the Settings Application

1. Scroll Down and Tap on About Phone(or About Device)
2. Locate the Build Number Section
3. Tap on the Build Number Option 7 Times
4. Go Back to the Main Settings Page
5. Scroll Down and Tap on Developer Options
6. Enable USB Debugging mode.
7. Look for the ‘OEM Unlock’ Option in the Developer Mode Section (tap and check the box)

Now the bootloader is unlocked.

Downloads:
LG ROOT ZIP  (LG Leon one click root zip)
LG Drivers (LG Universal drivers. You may already have installed)

1. Navigate to downloads and install LG Drivers.
2. Navigate to download location and UNZIP the file. LG_Leon_OCR_v2.zip
3. Navigate to the unzipped folder \LG_Leon_OCR_v2
4. Connect your LG leon to the computer via USB cable. Make sure you have unlocked bootloader.
5. In the LG_Leon_OCR_v2 folder click the root.bat (This will root your device)
6. follow the instructions and wait. (Phone will reboot a couple times)
7. When done you may need to remove battery and reboot.
8. You are now rooted.

This was tested and working on d/e/y variants.

Now that you have root you can install a custom recovery and custom rom.

How to install Custom Recovery LG Leon.
How to install Xposed framework LG Leon LGMS345 d/e/y 
Lg Leon Tweaks - Improve Speaker , Video , Speed

Thanks!