Download K300UM10M_00 (UCL) LG K31 (LMK300UM) ROM KDZ Firmware
Download the KDZ Firmware for LG K31 have model code is LMK300UM. This KDZ Firmware file is for region UCL. Please make sure you are trying to download and flash correct model and region. This Firmware version is K300UM10M_00 and the OS is Android 10 Q. The firmware size is 2.38 GB. We recommend you are using official LG Flash Tool. LGROM.com will not responsible for any damage caused by using the files on this website
Firmware information
Model
LG K31 (LMK300UM)
Region
UCL
Software version
K300UM10M / K300UM10M_00
File name
K300UM10m_00_USC_US_OP_0202.kdz
OS
Android 10 Q
File size
2.38 GB
Downloaded
2

How to Flash LG ROM / Firmware / KDZ

Notice: Download and Flash your phone with your own risk. We will not responsible for any damage caused by using the files on LGROM.com

  1. Download LGROMUP
  2. Boot your phone to Download Mode (Hold Volume up button and connect cable)
  3. Install LG Driver if you are not installed it before
  4. Open the LGROMUP tool.
  5. Select Serial Port, DLL, KDZ file
  6. Click Flash and wait to finish