How to Install/Flash a KDZ Firmware on LG Devices

How to Install/Flash a KDZ Firmware on LG Devices

LG flash tool 2017 is the best ROM flash tool supported for any kind of LG smartphones.This software allows you to flash grater than 1GB KDZ files. LG flash tool or KDZ flash tool developed by XDA developers and released it completely free to the public. First they come up with initial version then they release two updates with fixing errors.The latest version "LG Flash tool 2017" comes compatible with Windows Vista / 7 and fixed issue of Which are not supported for Windows 8 OS. Now you can download lgflashtool latest version via following download links

Below is a guide on how to flash KDZ firmwares on LG devices, follow the instructions carefully and to the point

 Download LG Flashtool

LG Flash tool 2014 system requirements

• A PC running on Windows OS
• USB cable for connect LG device and the PC
• Download LG drivers and setup
• Download LG flash tool / KDZ flash software
• Make sure to copy KDZ file in to LG Flash Tool 2014 folder
• Install Visual C++ Runtime Library If you unable to run lgflashtool2014.exe

Instructions

• Extract/Unzip the LG Flash Tool 2014 .zip file that you downloaded above on your PC. You’ll get a bunch of files required to run the program.
• Double-click/Run LGFlashTool2014.exe file to Open LG Flash Tool.
  └ If it doesn’t open, install Visual C++ Runtime Library
• 
  
• Boot your LG device into Download Mode:
• Power off your LG device.
• Press and hold Volume Up button.
• Connect your device to PC with a USB cable while holding the Volume Up button.
• You’ll boot into download mode with “Firmware Update” written on top of the screen.

• Download LG Stock Rom  -Stock firmwares for LG devices come in KDZ (and sometimes TOT) format. You can flash these firmwares using the LG Flashtool on a Windows PC to either restore a device stock firmware or downgrade from an updated release

• Now load the .kdz firmware file into LG Flash Tool window on your PC. Click the browse button at the end of the “Select KDZ file” line. Leave every other option as is on the LG Flash Tool window.
• Once you’ve selected .kdz firmware file, click “CSE Flash” button to proceed on flashing the .KDZ firmware to your LG device.
  └ FYI, the “Normal Flash” button doesn’t wipe data and the “CSE Flash” button wipes data. If you’re upgrading from a stock firmware, then “Normal Flash” might do.

Normal Flash: Flash ROM without losing any data. Only use this when you need to fix system error. Beware of boot loop when flashing ROM that differ from current ROM on your phone or MOD ROM.
CSE Flash: Choose this option when you need a fresh format. All data will be gone. It's suitable for upgrading or downgrading ROM or simply use this when you need to back to Stock. 

• You’ll get a “Read Phone Information” window, it will be blank for the most part. Just hit the START button and proceed.
• You’ll be asked for administrator permissions for some LG program on your PC, accept it.

No need to choose desired language, it automatically change to English as a default setting.

• Now you’ll see “Select Country & Language” window. Select “Different” from the country list and then “English” from the language list. And remember to NOT tick the Smartphone upgrade checkbox, it’s for Windows Mobile phones not your LG device running on Android.
• To finally begin firmware flashing process, hit the “OK” button.

• You’ll see a progress bar now. Just wait until it’s 100%, after which you might get an error “Connection to server failed”. This is okay. DON’T disconnect your phone at this point.
• Watch your phone closely, you’ll see some activity going on the screen with “COM” written in green text. Once that happens click OK to the “Connection to server failed” error.
• Now watch the firmware update progress bar on your phone. Once it’s complete, your phone will automatically reboot. And then you can disconnect your phone from PC and close the LG Flash Tool utility as well.