You can check the installation status using the Device Manager on your computer.

Wait for the “LGE AndroidNet Modem” and “LGE AndroidNet USB Serial Port” driver installation. Keep the Volume Key pressed, and connect the other end of the Micro USB Cable to the computer.Connect one end of a Micro USB data cable to your K40.You can also use this mode to upgrade or downgrade your LG K40 firmware. It can help you in recovering your bricked LG K40 back to the working state. The Download Mode is used to flash LG K40 stock firmware. LG K40 USB Serial Port & USB Modem Driver – Download Mode / Firmware Update Mode The model number of K40 is visible which is LMX420. You can see the adb devices command shows LG K40 under the “List of devices attached”. Now, Let’s check if we have successfully established the ADB connection using the Minimal ADB & Fastboot Tool. When prompted, accept the request to “Allow USB Debugging” by tapping “OK” as shown above. The ADB driver is visible in the device manager as “LGE Mobile ADB Interface” under “Android Device”. Wait for the ADB Driver installation to complete. Now connect your K40 to PC using a Micro USB Data cable.

In “Developer Options”, look for “USB Debugging” and turn it on. If you’ve not enabled developer options on your K40 learn how to enable it. Scroll down and open “Developer Options”. Open Settings and select the “General” Tab. After partitioning we can move apps to SD card and set SD card as the default storage space on our K40.īefore connecting the phone to the computer, we need to turn on USB Debugging. It can also be used to partition an SD card. To connect our K40 to PC in ADB mode we need to install the LG Mobile ADB Interface Driver.ĪDB Mode can be used to boot our K40 into fastboot mode for bootloader unlocking. LG K40 ADB Driver – USB Debugging / ADB & Fastboot Mode We are ready to share files between the K40 and the computer.Ģ. You can see the LG K40 Internal Storage & SD Card are visible. For file transfer, choose “Open device to view files”. After the successful driver installation, the LG K40 device is visible under “Portable Devices” in Device Manager. Wait for the MTP (Media Transfer Protocol) driver to install. Use a Micro USB Data cable to connect your K40 to the computer.

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