LG Stylo 3 Plus MP450 Stock ROM/Firmware Update Download KDZ

In this post, we’re going to restore a bricked LG Stylo 3 Plus MetroPCS MP450 back to the normal working state. It can be done quite easily with this detailed step by step tutorial with screenshots.

You can also use this guide to Unroot your Stylo 3 plus back to factory state for warranty reasons or just to upgrade your phone’s firmware. So, let’s proceed with the Tutorial –

How to Unbrick & Restore LG Stylo 3 Plus MetroPCS MP450

Step 1: Download & Extract the zip file

First of all, we’ve to download the zip file from the below download link. It contains all the necessary files required for flashing.

DOWNLOAD 

The above zip file contains –

  1. LG Mobile USB Driver Windows setup file
  2. LGUP Store Version 1.14.3 Windows setup file
  3. MP45010f_00_0205.kdz stock firmware file
  4. UPPERCUT – It works as LG Stylo 3 Plus DLL file. It aids in the detection of Stylo 3 Plus by LGUP in the Download Mode. Without Uppercut LGUP won’t recognize the connected phone. Thanks to autoprime@xda for making this awesome tool.

Step 2: Install LG Mobile Driver and LGUP on your computer

If you’ve not yet installed the LG Stylo 3 Plus Drivers on your PC, run the setup file to proceed with the LG Mobile Driver Installation.

LG Stylo 3 Plus Download Mode Driver

Double click on the “LGMobileDriver_WHQL_Ver_4.2.0.exe” setup file to install it.

LG Stylo 3 Plus Driver Installation

Finish the LG Mobile Driver installation. It’ll take a while.

LG Stylo 3 Plus LGUP Store Ver 1.14

Next, we’re going to install the LGUP Flashing software.

Double click on the setup file “LGUP_Store_Ver_1_14_3.msi” to start the installation process.

LG Stylo 3 Plus LGUP Installation

Finish the installation, but don’t run LGUP yet.

Step 3: Connect your Stylo 3 Plus to PC in Download Mode & wait for the drivers to install

To flash the stock firmware, we’ve to boot the phone in Download Mode.

To enter download mode –

LG Stylo 3 Plus Download Mode to Unbrick

Turn OFF your Stylo 3 Plus.

Connect one end of a USB data cable to the phone.

Press the Volume UP Button as shown above.

LG Stylo3 Plus connect to PC in Download Mode

Keep the Volume UP key pressed & connect the other end of the USB data cable to the computer.

 

 

LG Stylo 3 Plus Download Mode Firmware Update

The phone should be now in Download Mode as shown in the screenshot above.

LG Stylo 3 Plus USB serial port driver installation

The driver installation will initiate on it own.

Wait for the drivers to install.

LG Stylo 3 Plus USB Mode & US Serial Port Driver Installation

You can notice the LGE AndroidNet USB Modem & LGE AndroidNet USB Serial Port drivers are installed successfully.

So, now we can proceed with the flashing process.

Step 4: Load LGUP Flashing tool using Uppercut

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