Download LGUP Tool for LG Devices (install kdz via LGUP)

Updated on March 26, 2020: You can Download LGUP tool for LG Devices to flash kdz files. LGUP flash tool is very easy and simple to use. Almost any one can use it with ease. And chances of screwing up your phone are almost zero if you use LGUP tool for flashing kdz file because it does not require any special preparations like putting your phone in the download mode.

The Latest LG phones are now very easy to update. You may be familiar with LG FLash tool and know how to flash a stock firmware file on LG phones. Updating and flashing stock firmware files on LG Phones is not that simple. It requires some carefully followed instructions. So, there is a good news for developers and Android Geeks. Flashing kdz files on LG Phones is now very simple and easier.

LGUP tool

Download LGUP Tool

LGUP tool is similar to LG flash tool but its way much simpler and easier to use. LGUP tool is used to installing/flashing kdz files on LG phones without going into download mode. With these type of flash tools, updating you phone manually has become much easier. There are different software update tools for different brands, like Oppo Flash Tool, Odin for Samsung etc. You can use them according to your device.

LGUP Tool for LG Devices

You can Download LGUP tool from the link below for LG devices for flashing KDZ files. LGUP is very simple to use. All you need is an LG Phone, a KDZ file for your phone, and LGUP tool running on your phone. Just connect the phone to the PC. Select kdz file in LGUP tool and click on the upgrade button and in a few minutes you phone will be updated and ready to use.


  • This LGUP Flash tool only works on lg phones.
  • It works with Windows PC only.
  • Make sure to install LG usb drivers on your PC.
  • It can flash only KDZ and Tot firmwares files.

Download LGUP Tool Latest Version

How To Use LGUP Tool for flashing stock firmwares

Using LGUP tool is very simple and process is same for all the LG Phones. Below are the instructions to use LGUP Tool for flashing KDZ file on the phone.

  1. First download LGUP Tool from the link above.
  2. Now Extract the file you downloaded. You will get two files after extraction.
  3. Install the DLL file first and then LGUP file on your PC.
  4. Now run LGUP tool on your PC.  Also Install LG USB Drivers on your PC.
  5. Connect your LG Phone to the PC.
  6. It will be listed on the screen of LGUP tool.
  7. Now click on the Upgrade option in LGUP and choose the files path. Locate the KDZ file and select it.
  8. Now click on the start button. Wait for sometime. After completion of the process your phone will restart. Unplug the cable from the phone and enjoy.

So, guys this was our tutorial to Download LGUP Tool for LG phones and how to use it for installing the KDZ file on phone. Hope you like it. If you have any questions the ask in the comments sections below.

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Faiq Ahmed

Faiq Ahmed loves Android OS and he is an Android Geek. He has owned an Android phone since 8th grade. Currently doing BS Computer Science.

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19 Responses

  1. TSANG says:

    Hi. LGUP doesn’t run on my PC. There is error window appears “LGUP can’t load the model[C:\Program Files(x86)\LG Electronics\LGUP\model\com. What do I do wrong?

  2. Oleg says:

    Hi. LGUP doesn’t run on my PC. There is error window appears “LGUP can’t load the model[C:\Program Files(x86)\LG Electronics\LGUP\model\com. What do I do wrong?

  3. Hernan Mentasti says:

    I’ll try the procedure on LG H650k with kdz file for the model. In a few minutes I’ll hope results. Thanks!!

  4. Im using a LG G4 Stylus (LGH630) and it shows model unknown and wont proceed.
    Please help.
    Thank you.

  5. Becky says:

    Well, the LG UP program wouldn’t recognize my handset. I had downloaded the usb drivers, but still no luck.

  6. Niki says:

    Why LG Flash Tool and LGUP tool continue to crash???LG G3 D855 v30n, i wanna do a downgrade for make the root, Win10, usb 2.0, primary on the MoBo…i cleaned the registry, reboot, tried donwload mode and not…both system crashed after few second…what the hell is wrong? Please help me!

  7. Dushyant mani says:

    Which version should I download from google drive

  8. Tristan says:

    Im using a LG G4 Stylus (LGH540) and it shows model unknown and wont proceed.
    Please help.
    Thank you.

  9. Galih says:

    Hi, i have LG G4 Stylus (LGH540) does it works to downgrade OS from marshmallow to lolipop?

  10. mike says:

    is lgup not compatible with 64bit windows os?

  11. David says:

    i keep getting the response “The application was unable to start correctly (0xc000007b). Click ok to close the application.”

    Can anyone help me with this issue?

  12. Zeeshan Khan says:

    Should i update manually 5.0.1 (Lollipop) on Lg F180l 4.4.2 (Kitkat)?

  13. Ras says:

    I have a problem using lgup follow the instruction but it always stop on 4% and error comes out kdz is invalid..

    My unit is flex 2 f510l.. I download the kdz 3times but still same error

    • Faiq Ahmed says:

      It looks like the kdz file you are using is not compatible or corrupt. Try different kdz file. Also the LGUP tool best works with the LG G4 phones

  14. Donald says:

    It looks very good and easy, does it works for
    LG G4 H818P Romania model?
    if Yes Do I have to unlock first the Bootloader?
    Thank you
    Best Regards

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