How to Flash LG K20 (2019), K30 (2019), K40, K40S, K50 or K50S with Flash Tool, Firmware or Stock ROM
Follow the steps on:
Method 1: LG Flash Tool (on Page 1 or Previous Page)
Method 2: LG Smart Tool
Easy Steps on how to flash LG K20 (2019), K30 (2019), K40, K40S, K50 or K50S Back to Its Factory State:
Step 1: First of all you will need to Download LG drivers.
Step 2: Next you should proceed to download the lasted version of LGUP (LG Smart Tool).
Step 3: Now you will have to Download and Install Stock ROM for LG K20 (2019), K30 (2019), K40, K40S, K50 or K50S.
Step 4: Now you will have to Install LGUP.msi on your PC where you will carry out the process.
Step 5: On your LG K20 (2019), K30 (2019), K40, K40S, K50 or K50S Press and hold the volume up key while you power off.
Step 6: Connect your LG K20 (2019), K30 (2019), K40, K40S, K50 or K50S to the computer by using USB cable.
Step 7: Switch your LG K20 (2019), K30 (2019), K40, K40S, K50 or K50S to the download mode.
Step 8: Launch the LGUP software on your PC.
Step 9: Next, proceed to select the Upgrade Option.
Make a choice to refurbish, upgrade in LGUP:
For upgrade to a new firmware, like moving from Marshmallow to Nougat, choose UPGRADE option.
For a full wipe and flash a clean firmware installation, and run again once you set it as above. You will notice now that the MM KDZ will still be showing in the FILE PATH section. Proceed to select REFURBISH and make sure BIN file is ticked.
For downgrade to Lollipop from Android Marshmallow, select REFURBISH and make sure BIN file is ticked.
Step 10: Now you will need to select your already downloaded KDZ firmware file.
Step 11: Flash Stock firmware on LG K20 (2019), K30 (2019), K40, K40S, K50 or K50S. After opening, Click the start button to start the installation.
Step 12: Now relax and watch as you wait for the process to finish.
Step 13: When complete your LG K20 (2019), K30 (2019), K40, K40S, K50 or K50S will reboot automatically. But if it doesn’t then you should power it on yourself.
Step 14: That’s all, enjoy your LG K20 (2019), K30 (2019), K40, K40S, K50 or K50S.
