Download LG Flash Tool 2025

Introducing the latest LG Flash Tool 2025 - an upgraded flash tool fixing bugs that detected previously, released flattening the GUI and expanding the compatible devices database. The secure enclave source codes provide the foundation to reject incompatible firmware to avoid bricking. LG smartphone Flash Tool has now consolidated the modified UptestEX version to establish the support with a large range of LG Androids.

LG Flash Tool help you to perform a factory reset, install the KDZ or TOT stock firmware on an OEM-branded LG smart device. Flash devices in order to ADB fastboot commands is the focused task of this tool. LG Flash is now paired with restoring back an LG smartphone while it sending error reports with an application that systematically or manually installed on the Android operating system. Working with KDZ files larger than 1GB and the most compatibility with almost every LG smartphone can expose as main interests of LG Flash. Rendering downgraded or upgraded stock ROM firmware the flash tool accelerates the device speed plus boosting performances.

Latest Features of LG Flash Tool

Compatible with Every LG Smartphone

  • The latest application has upgraded with a modified version of UptestEX This causes all the LG smart devices compatible with this tool as never before. Consequently, it is able to flash every KDZ and TOT firmware running LG devices by means of lgflash Tool. Noting to worry about incompatibility errors anymore.

Redesigned GUI

  • LG Flash Tool can directly with download any Windows platform without any support tool such as a PC suite. This is a featured application which can perform alonely. There is no any matter with an installed PC suite or another supportive tool also. Thereupon you are free to use the new flash application with or without an LG support tool.

Works without LG Support Tool

  • The newest tool version improved with a fully simplified graphical user interface. The facility makes easy to work with the new interface even the tool uses a newbie. There is no any signal of upcoming errors with the simplified LG Flash Tool design. Just a few steps to flash any KDZ or TOT firmware.

No need to use Host Files

  • With this finally updated LG Flash, there is no any bypass required while performing. In the sense, it exactly does not need an outside HTTP server or related host files to bypass any single step. This proves that an active internet connection necessitates only for downloading the flash tool on a Windows PC and will not request for further installations.

Download LG Flash Tool

This is the best and only ROM flashing tool that has specially designed for the LG Android smartphones and devices. The latest version of this tool is working with KDZ files larger than 1GB size. Also, this tool is compatible with Windows 7, 8 and 10 running PC to flash KDZ ROM on an LG smartphone. LG flash tool is developed and distributed by the XDA developers with free of cost. If you're an owner of an LG smartphone or tablet device, lgflash tool is the best way to install official firmware to restore your device. In another case, if you're following a serious issue with your smartphone or you want to change the device firmware, this is the nominated utility that should installed on your computer. In here, we have provided the direct download links for all the latest and available versions of the tool for the Android users.

Requirements to flash Stock ROM with LG Flash

  • A Windows Computer to execute the application.
  • ADB and fastboot driver installation.
  • Download LG Flash Tool latest version from the given download links.
  • Megalock.dll file to replace in the file location.
  • Installation of the latest version of device USB driver software.
  • Collect a USB data cable that better suite with your smartphone.

How to Flash LG KDZ Rom

  • Download and install the latest version of LG USB driver software on your Computer.
  • Extract the compressed zip file and then execute the app on the PC.
  • Boot the smartphone into download mode pressing and holding relevant buttons after shutting down.
  • Connect the smart mobile device to the PC using a recommended USB data cable.
  • Load the downloaded KDZ file into the application clicking on the select KDZ file area.
  • Click the start button and then fill the required details from the next form and continue the process.
  • Wait until the process completed without operating the device.
  • Once finished the entire flashing mechanism, it will notify that the process has been completed.

Note! Keep in mind to copy the downloaded KDZ file into the extracted folder of the tool. Otherwise, save it in an easily reachable location of the personal computer such as the desktop.

LGUP Tool for Flash KDZ, MM/LP or Factory Reset

Here is another LG family flashing tool entitled LGUP that addresses KDZ firmware files in blazing fast and to reset devices to factory settings. This is an updated version related to LG flash tool and it specially updated sequential Android Marshmallow and higher versions flash. You are eligible to boot up faster, launch app repairs or restore to factory settings on LG G4 - the first smartphone that released installing Android Marshmallow or recently unveiled latest LG Androids with the latest flash tool. The LGUP tool is combined with ultra-versatility of app installations on every OEM-LG devices since the beginning. It integrates flash LG stock firmware that normally followed KDZ file format or any of adjustable processes that upgrade, downgrade or restore the firmware processing and more others.

Backup all personal files and other important things are extremely demanded while utilizing this flash tool on an LG smart mobile device. You are able to follow the same instructions of the lgflash tool. There are some special requirements need for the manner. The latest tool allows upgrading to MM from the regular LP files without any data loss. Download the MM KDZ stock firmware to make changes with this application. Ticking the BIN File is recommended. This manner is totally reversible and you can restore the LP file once again using the same way replacing MM to LP. Flash stock ROM firmware with LGUP is simple than ever. Follow the exposed simple steps to stock ROM firmware flashing with LGUP.

  • Power off the smartphone and close the application from the computer.
  • Boot the smartphone into download mode. Normally, the LG devices can start in download mode using these steps. Power off the mobile>> Holds down Power+Volume Up buttons.
  • Open the previously detailed LG flash on your PC.
  • Set LG Flash tool to use "Board DL" and load TOT or KDZ firmware.
  • Start flashing with board DL option.

Troubleshoooting Tips

  • If you unable to execute LG smartphone flash tool on the desired Windows PC, try to install Visual C++ runtime library.
  • If the application sends an error message informing that the phone is disconnected from PC, check the connected USB port first. If you have attached to a USB 3.0, detach the code and connect it to a USB 2.0 one.
  • Check Whether the downloaded LG flash version works properly if the app does not perform correctly.
  • Install the required tools and DLL files before starting the process to prevent error connections.
  • Enable USB debugging is recommended before starting the mobile device in download mode. That is why go to developer options and then enable USB debugging mode.
  • Make sure that the downloaded KDZ file is completely compatible with the device build number.
  • If you need to run the flashing process without losing any data, select "Normal Flash" option from the interface.
  • Refresh the mobile device with wiping all the files from the smartphone and restore back with boot files, use "CSE Flash" when starting the flash procedure.
  • When using the LGUP application, install LGUP_8994__DLL_Ver_0_0_3_23 first and then install LGUP_Install_Ver_1_14_3 to avoid misbehaviors of the flash tool.
  • If LGUP program displays the mobile as an Unknown Device, do not turn off the mobile with the power button. Remove the back cover of the device then remove the battery and replace once again. Let the mobile start automatically.


When an LG smartphone gets errors with applications that installed in the standard Android OS or with third-party apps that manually installed by the user, the reliable solution for the manner is to flash the mobile device by means of lgflash tool. The total credits for creating the application goes to XDA developer "quangnhut123". If any matter arises while configuring Android Marshmallow or higher versions, take the turn to download LGUP tool and you will able to flash KDZ files on LG OEM devices by means of the regular LG flash tool. The developer credits for LGUP flash application acquired by the app developer "shakeyabooti". Use this flashing tool for the best results of revamping devices from software issues.

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