How to Flash, Upgrade and Downgrade LG Android Phones Using LGUP

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Intro: How to Use LGUP Software

Flashing in phone software repairs, it is the process of overwriting one partition (of the phone) or file with another. To put simply, flashing is done when you load another set of files or firmware (official or unofficial) on your device with the aim to either correct a malfunctioning phone, upgrade the phone (partition) or revive the phone.
Because, as seen in the title; this page is created to focus LG Android devices, hence we would be discussing how to flash LG Android devices (only) using different tools on this page. If you have questions to ask, please use the comment section.

What to Expect On this Page:

  1. You'll learn how to flash LG Android devices
  2. Where to download LG stock firmware
  3. We also give you access to some LG unbrick files to revive dead (hardbricked) LG Android devices
  4. How to revive hardbricked LG Android devices
  5. We provide download links to some popular LG service tools
  6. You could also learn how to create LG Android devices unbrick files
LG G7 ThinkQ

Requirements to Flash LG Android Devices Using LGUP

Listed below is the list of all that are generally needed to flash common LG Android devices but because we aim to make this page a go-to page whenever you need to flash LG Android devices, we discuss different tools that are made for the same or similar purposes and each tool may have additional required files or tools to accomplish the work. For this reason, you need to pay attention to the requirement of each tools as well.

  1. Your PC. Windows, Linux or Mac; depending on the tool you choose to use
  2. Internet connectivity for doing a few downloads
  3. Your specific LG Android device firmware. You may download LG Android firmware here.
  4. LG Android drivers installed on the PC. Download LG Android drivers here.
  5. Your device compatible USB Cable
  6. Consistent and reliable power supply for your PC throughout the process
  7. Your attention

Tools for Flashing LG Android Device

Below here is the list of the tools for flashing LG Android devices already discussed on PhoneFIX. You may click on any of the tools listed below to visit their specific page.


Tool Studio eMMC Download Tool - for unbricking

LG Flash Tool

LG Loader.img (Live SD Card) - for unbricking

How to Flash LG Android Devices Using LGUP

  1. Download the (official) LG stock ROM specific for your LG Android device. You can download official LG stock firmware for your device from the link already provided above. Be sure the firmware you download is for your device model (variant) and region.
  2. Extract the downloaded firmware (if packed in .zip or .rar file) onto your PC. After extraction, you should hava a .tot or .kdz firmware file extention.
  3. On your LG Android device, enable USB Debugging and OEM unlock. This is essential because it enables LGUP communicate with the device during flashing.
  4. Download and install LG Android device drivers on your PC. You can download LG Android device drivers from here.
  5. Connect your LG phone to the PC using its compatible USB Cable. Once connected and if that is the first time you're connecting the phone to the PC while USB Debugging is turned on, a box/popup similar to the one below should pop up. Simply mark/tick/click Always allow from this computer and then, click ok
  6. LG Android USB Debugging
  7. Open/launch LGUP Tool on your PC as admin. If LGUP Tool is not already installed on your PC, see here: All LGUP Versions Download Link and Installation Instructions
  8. Select either REFURBISH or UPGRADE depending on your choice. Meanings of all the options listed on the LGUP Tool and what they do are explained further after this step by step tutorial below
  9. LGUP Tool Refurbish Upgrade Options
  10. Select File Path and browse to the folder where the .KDZ firmware file (for your LG phone) is saved on the PC and select it
  11. LGUP Tool File Path Options
  12. Now, click the Start button. Almost immediately, the flashing process will begin and you will be able to follow the progress in the progress bar of the LGUP Tool
  13. LGUP Tool Start Options
  14. Once the progress bar reaches 100% and the flashing is complete, the phone will automatically reboot. First boot-up after a fresh flashing usually takes longer (5 to 25 minutes). Hold-on until the phone is fully booted on/to Android and enjoy afterwards.


  • Make sure your phone's battery is at the least 80% charged before you begin the process
  • Make sure you have a consistent or reliable power supply (for your PC) throughout the process
  • You must not disconnect the phone from the PC amid/during the flashing process

Meanings and Functions In the LGUP Tool Options

  1. REFURBISH: this loads the firmware onto your LG device but will make you loose data regardless of whether you use KDZ or TOT firmware
  2. UPGRADE: this loads the firmware on your phone. Mostly helps flash/upgrade and keep your phone data
  3. ChipErase: CAUTION, this option will erase IMEI/efs partition of your LG Phone. Do not try this if you do not have your LG Phone NV Backup ready
  4. PARTITION DL: this option is used to flash single partition (selected) to your LG phone
  5. DUMP: this option is used to dump all partitions of your LG phone as backup file
  6. FOTA UPGRADE: this option can be used to flash OTA updates that come with dot up file extention


  • Chip Erase option can remove the Google FRP on many LG devices with Android 5.0, 6.0. (E.g LG G Stylo variants, LG H345, LG MS345)
  • PARTITION DL feature can solve “uknown model” issues. This feature can also be used to bypass google frp by flashing specific tot firmware as well
  • You can Dump the stock firmware from a working phone as back up and use Patition DL feature to restore phones

Possible LGUP Questions You May Have:

Is it Safe to Flash LG Android Phone Using LGUP?

Yes. Using LGUP to flash your LG Phone is 100% safe and working. Provided you follow the guidelines outlined above accordingly, you will probably find that LGUP is the safest LG phones flash tool for flashing, upgrading and downgrading LG Android phones.

Can I Use LGUP to Unbrick Softbrick LG Phones?

Yes. You may try using LGUP to recover soft-brick LG Android phones. But for that purpose, LG Flash Tool is the recommended tool.

Can I Use LGUP for Phones In Download Mode?

No. You cannot use LGUP for LG Phones that boots only to download mode. For LGUP to work, your LG Phone must be fully accessible by your PC/LGUP.

Can I Use LGUP to Downgrade and Upgrade LG Phones?

Yes. That is the primary purpose of the LGUP tool. It is designed for downgrading or upgrading entire partitions or specific separate partitions of LG Android phones.


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