LG Aristo 5 Firmware Download & software update metro lmk300mm

There are 2 ways to update the LG Aristo 5 firmware. The easier and preferable way is via OTA (over the air) update. We need to use the update center to keep the software update.

The other way is more complicated and can help you’re restoring your phone when stuck in a boot loop, bricked, stuck on the LG logo, etc. In this method, we flash a stock firmware via the LGUP flash tool in the Download Mode.

Let’s check out both ways to keep the software updated on our LG Aristo 5 Metro, T-Mobile, Sprint lmk300 –


LG Aristo 5 Software Update Metro, T-Mobile, Sprint lmk300

lg aristo 5 software update


To update the LG Aristo 5 software, we need to open the Settings app.

Scroll down and select the 2nd last option i.e. “System”.

lg lmk300mm firmware update

Now, choose the first option “Update center”.

Hit “System Update” on the Update center page.

lg lmk300am firmware download

The system update is downloaded automatically on an unmetered Wi-Fi connection.

We can even pause the update if needed.

lg aristo 5 software update metropcs

Once the system update is downloaded, hit “Restart now” to begin the installation.

Do not touch the phone until the update is installed. The phone will reboot during the installation.


LG Aristo 5 Stock Firmware ROM Download & Update / Stuck on Boot T-Mobile Screen

In case, you’ve bricked your LG Aristo 5, you need to flash the original stock system firmware to restore your phone.

You can download the LG Aristo 5 kdz file & LGUP for MetroPCS from the below link –

LG Aristo 5 Stock Firmware ROM MetroPCS K300MM10e 


LGUP Dual Mode 



lg arsito 5 usb drivers

Before connecting the phone, install the latest LG Aristo 5 Mobile Driver on your computer.


Once the driver is installed, boot your Aristo 5 into download mode.


lg aristo 5 download mode

To put your LG Aristo 5 into Download Mode – 

  • Power off the phone using the power button located on the left as shown above.



how to put lg aristo 5 into download mode

  • Now, get a Micro USB data cable
  • Turn on your computer
  • Connect one end of the USB cable to the computer
  • Press the volume up key on your Aristo 5 and insert the other end of the cable in the phone’s charging Port.

lg aristo 5 firmware update download mode

Your phone must be now on the “Firmware update” screen also known as the download mode.

lg aristo 5 USB modem serial port driver

Wait for the drivers to install. We need to install LG Mobile USB Modem & LG Mobile USB Serial Port, driver.

LG Aristo 5 LGUP

We need to use the LGUP tool to flash the stock firmware.

Extract and open the LGUP_DualMode folder.


LG Aristo 5 LGUP Store

Run the “LGUP-Store_Frame_Ver_1_14_3” setup file to install this program on your PC.

LG Aristo 5 Stock ROM

Now, right-click the “SetUser” file and select “Run as administrator”.

LG Aristo 5 Stock Firmware

Launch the LGUP program by hitting “LGUPU” as shown above.

LG Aristo 5 kdz dll

Tap the bar under “File Path” and browse for the kdz file.


LG Aristo 5 kdz file download

Browse and load the LG Aristo 5 Stock firmware file K300mm10e in LGUP for flashing



LG Aristo 5 stuck on boot screen

The firmware file is loaded. Change the Process to “UPGRADE” and hit “Start” to begin flashing.

NOTE: Use this procedure only if you are unable to boot your phone to the home screen. 

Keep checking the update center to use the latest Android software.


For any queries or feedback, feel free to leave a comment below.


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