LG Aristo 4 firmware download /Plus software update stock rom lmx320ma

The good thing about LG MetroPCS phones is that every software update is made available on the official LG server in the kdz file format. This file can be easily flashed using the LGUP flashing tool in case of soft brick. It can be also used to upgrade or downgrade your LG Aristo 4 firmware.

In this post, we are going to download and flash LG Aristo 4 stock firmware using the LGUP tool. So, Let’s begin the tutorial –


Let’s divide the whole process into 4 parts –

STEP 1: Download LG Aristo 4 Plus kdz Firmware file and LGUP Dual Mode zip file


There are 2 LG Aristo 4 Plus variants. Download the correct firmware file as per your service provider/device model number.

1. LG Aristo 4 Plus MetroPCS lm-x320ma firmware X320MA10b –


2. LG Aristo 4 Plus T-Mobile lm-x320ta firmware X320TA10h –


3. LGUP Dual Mode zip file


LG Aristo 4 Plus Firmware Download



Download and save the files on your computer.

STEP 2: Put LG Aristo 4 Plus in Download Mode

To flash stock firmware, we need to put our phone into Download Mode.

How to put LG Aristo 4 Plus in Download Mode –

LG Aristo 4 Plus Stock Firmware Download

  • Power off your phone
  • Grab a USB Data Cable & Turn on your PC
  • Connect one end of the USB cable to the PC
  • Press the Aristo 4 Volume UP button. Keep it pressed and connect the other end of the USB cable to your phone.

LG Aristo 4 MetroPCS Stock Firmware

  • Your Phone must be now in the Download Mode. Refer to the above screenshot.

LG Aristo 4 stock rom

Now, wait for the drivers to install.

We have to install LG AndroidNet USB Modem & LGAndroidNet USB Serial Port Driver as shown above.

STEP 3: Install & Load LGUP Flashing Tool

lg lm-x320ma stock firmware

On your PC, go to the folder where you’ve kept the downloaded files.

Extract the downloaded LGUP_DualMode.zip file.

Right-click the zip file and select “Extract to LGUP_DualMode\”


lg lm-x320ta stock firmware

Open the extracted LGUP_DualMode folder.


lm-x320ma firmware download

First of all, we are going to install LGUP.

Double-click the “LGUP_Store_Frame_ver_1_14_3” setup file to install LGUP flashing tool.



lg aristo 4 plus firmware update

Follow the on-screen prompts and finish the setup wizard to complete the installation.

Don’t run LGUP yet.


LG Aristo 4 Stock Firmware Download

Right-Click the “SetUser” file and select “Run as administrator”. Refer to the above screenshot.


LG Aristo 4 MetroPCS Stock Firmware

Now click on the “LGUPU” file to load the LGUP tool.




STEP 4: Flash the kdz firmware file using LGUP

lmx320ma stock firmware

LGUP is running. Let’s check it out.

The current firmware version is visible as x320ta10f.

Hit on “BIN File” as shown above.

lm-x320ta firmware download

Now tap the “3 dots” icon & browse for the downloaded kdz firmware file.

lg aristo 4 stock firmware

Browse for the downloaded file. Make sure to download the correct firmware file based on your service provider (MetroPCS / T-Mobile).

Select the firmware file and click on it to load in LGUP.

lm-x320ma firmware download

The kdz firmware file is loaded and we are ready to flash it on our Aristo 4 Plus.

lg aristo 4 stock firmware download

Change the “Process” to “UPGRADE” as shown above.

Now tap “Start” to begin flashing.

lg aristo 4 metropcs stock rom

Keep watch on the Progress bar. Don’t remove the USB cable until the process is complete.


lg aristo 4 plus software update

The phone reboots at around 80%.

lg aristo 4 system update

The flashing process is now complete. The Progress bar says 100%.


We have successfully upgraded our LG Aristo 4 Plus Android firmware using LGUP.


For any query or feedback, please leave a comment below.





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