Download LG LMX420QM USB Drivers

Here you can download the latest LG K40 LMX420QM USB drivers!

LG LMX420QM (LM-X420QM) is the model name for the LG K40 from U.S. Cellular.

The LG K40 LMX420QM (LM-X420QM) from U.S. Cellular supports software update through LG Bridge;

If you need to upgrade/restore your LG K40 LMX420QM (LM-X420QM) back to stock with LGUP, You need to install the latest LG USB Drivers first.

Download LG K40 LMX420QM USB Drivers

LGMobileDriver_WHQL_Ver_4.4.2.exe  LG USB Driver For Windows

LGMobileMacDriver_v5.2.zip  LG USB Driver  for Mac

NameLG USB Driver
VersionVer. 4.4.2
PlatformWindows 7, Windows 10; 32 or 64 digit
Size15.9 MB
File Name:LGMobileDriver_WHQL_Ver_4.4.2.exe
Developer:LG Electronics Inc.

How to install the LG USB drivers for LG K40 LMX420QM (LM-X420QM)

Once downloaded the LGMobileDriver_WHQL_Ver_4.4.2.exe, just double click the LGMobileDriver_WHQL_Ver_4.4.2.exe and click Next

Follow the on-screen instructions to install LG USB drivers.

LG USB Drivers

The LG USB Drivers package includes LG USB Modem drivers, LG MTP drivers, LG ADB drivers, and LG Serial Port Driver.

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