How to Flash LG optimus G , G pro ,G2

1) Download the latest KDZ from LG's server for your phone 

http://lg-phone-firmware.com

2) Make sure you have LG United Drivers already installed Download from here

3) Download LG flash Tool 2014.zip from here

4) Extract zip And copy kdz File in LG flash tool 2014 folder

5)  Run LGFlashTool2014.exe and follow the form instructions: 

  If no run then download and install the Visual C library ++ Runtime:https://googledrive.com/host/0B9l4QOCXUmxXV19jN1ZrTnBwdTQ/VC_RedistInstaller.exe 

6) Put your Phone Download Mode And connect with computer 

attaching the usb cable to the phone, holding both the up and down volume buttons at the same time and lastly inserting the usb cable into the computer; wait for the drivers to finish loading if doing it for the first time.

7) 1.Select type = 3GQCT

   2.Phone mode = Emergency

   3.Select kdz file

   4.click on Normal flash

8) New window pop up

9) Wait For 100%

10) YOu aLL Done

This Flash tool can also flash more than 1GB kdz File.