LG Flash Tool - Full Guide To Flash Any LG Smartphone

Most of the Android smartphone users are now keen on customizing their Android smartphones to have a smooth and useful Android experience. As you know, Android users and developers are very enthusiastic, innovative and smart than before. As a result of it, Android developers are trying to create new tools, programmes and apps to enhance the experience of Android users and Android users are trying to use them to enhance their Android experiences. While these things are going on, the users face Android issues such as boot-loop, bricking and many more troubles. Most of these troubles can be solved using Android flashing. There a number of flashing tools and LG Flash Tool is the flashing utility which can solve complications related to LG smartphones.

Lg flash tool

LG Flash Tool


There are several device-specific flash tools available on the internet by now. Perhaps you may have heard some of them as Samsung Odin, Asus Flash tool and Mi Flash Tool etc. Likewise, Lg Flash tool is specific to LG smartphones. LG Flash tool is the one and only official flashing utility for LG smartphones. The basic purpose of the tool is to flash official stock firmware files on LG smartphones. The latest mod version of LG Flash Tool comes as LGUP Tool from XDA developers and it flashes LG firmware files in kdz/tot/bin formats. The original version of the LG Flash tool has not been released to the public by the LG company. The available versions are modded and patched versions to the original programme. You can download the modded version of the LG flash tool through XDA developers. The LG Flash tool comes  as a Windows-based programme and a Windows computer is essential to use the programme

What Is KDZ file


KDZ is the file format that LG uses for its stock firmware. They post their new firmware to their website in this format and KDZ means, the file you are using is a stock release from LG. Custom ROMs for LG smartphones are not coming in KDZ format. It means you cannot use the tool to flash custom ROMs.

System Requirements 


1. A Windows computer
2. A compatible USB cable
3. LG USB drivers
4. Official stock firmware file according to your device

lg flash tool


How To Flash You LG Smartphone Using LG Flash Tool



1 Step -  Download Correct Stock Firmware for Your device

First of all, download and extract accurate firmware file for your device. The best and recommended way to download a firmware file is visiting the official LG site. It is better if you could have your device model number with you before visiting the site to download the firmware easily. After downloading the firmware extract it to a specific location.

2 Step - Enable USB Debugging Mode on your LG smartphone

Your smartphone cannot understand the commands that are sent by your Windows computer to make alterations on your smartphones. You need to turn your device to USB Debugging Mode to understand them. USB debugging mode is one android developing features and you can enable it by using the following steps.

1. Settings > About Phone > Software info
2. Tap on Build Number until it prompts you are now a developer
3. Settings > Developer Options  > Check "USB Debugging"

3 Step - Download and Install LG USB drivers

You need to install the latest LG USB drivers on your Windows computer to convince your computer to recognize your LG smartphone. If you have not installed LG drivers properly computer will fail to identify your device and flash it. Make sure to reboot your computer to apply the installed drivers correctly. If you try to use the LG flash tool soon after the installation of drivers without rebooting the computer, it will not work fine since it drivers have not configured properly.

4 Step - Download the LG Flash Tool

There are several versions of the LG Flash tool and in here you are guided to use LG Flash Tool 2014 version since it is more stable. Download and extract the programme

5 Step - Connect LG smartphone to the computer

After extracting the LG Flash programme, copy the .KDZ file that contains in extracted firmware file into extracted LG programme file. Put your device in to "Download Mode" by pressing and holding "Volume Up". You have to connect your smartphone to the computer while pressing the Volume up button in order to enter Download Mode. Do not release the button until connecting to the computer. You will see the USB icon in the circle when booting into download mode.

6 Step - Launch LG Flash Tool

Click on the executable file in the extracted LG Flash Tool folder and launch the LG Flash Tool. Then, enter the following data into relevant fields.Select type - CDMA / PhoneMode - DIAG / Reset time - 33000. After entering relevant data select the KDZ file you are going to flash and select the flashing option. There are two types of flashing options as Normal Flash and CSE Flash. Normal Flash option flashes your device without wiping your data and CSE Flash erases all your data while flashing.

lg flash


7 Step - Complete The LG Flashing Process

Finally, click the "Start" button to start the flashing process and wait until the process reaches 100%

Final Word


LG Flash Tool is the one and only flashing utility that can flash Stock LG firmware files. Boot-loops are common issues in LG smartphones and you can use the LG flash tool to avoid the confusions. But always make sure to the download accurate firmware file that matches to your device to avoid bricking issues while flashing.

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