LG Viper 4G LTE LS840 USB Drivers

Computer not recognizing USB when LG Viper 4G LTE LS840 is connected to PC using a USB cable? LG Viper 4G LTE LS840 phone not showing up on PC? It might be a driver problem, or your computer might be missing the required LG Viper 4G LTE LS840 USB Drivers. To fix the issue, download LG Viper 4G LTE LS840 USB Driver and install them on your computer.

Most computers don’t have proper Google Android USB Drivers installed, so it is essential to download LG USB Drivers and install them on your computer to properly connect LG Viper 4G LTE LS840 to a Computer or Laptop using a USB cable. Here on this page, we have shared the official LG Viper 4G LTE LS840 USB driver for Windows 10, Windows 7, Windows 8.1, and Windows 8.

Apart from the official USB Driver for LG Viper 4G LTE LS840, we have also shared ADB interface drivers and Fastboot drivers for LG Viper 4G LTE LS840.

The LG Viper 4G LTE LS840 Android USB Driver allows you to connect your phone as an MTP USB device (Media Transfer Protocol) to a computer and laptop so that you can transfer images, videos, documents, and other files to and from phone to computer.

The LG Viper 4G LTE LS840 ADB driver and Fastboot driver allows you to pass ADB commands and fastboot commands to perform specific operations on your phone right from your computer.

Download LG Viper 4G LTE LS840 USB Driver

The LG Phone drivers shared here can be used to flash stock firmware, stock recovery, TWRP recovery, CWM recovery, unlock the bootloader, etc. It can also be used for general purposes like transferring data, media, documents, and other files from phone to computer and vice versa.

LG Viper 4G LTE LS840 Driver for Flashing Firmware

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How to install: Follow Tutorial

LG Viper 4G LTE LS840 Driver for Mac OS

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LG Viper 4G LTE LS840 USB Driver for normal connecting to PC

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How to install: Follow Tutorial

The LG Viper 4G LTE LS840 Fastboot and ADB drivers can be downloaded below.

LG Viper 4G LTE LS840 ADB and Fastboot Drivers

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How to install: Follow Tutorial

[!] Note: If you face Driver Signature Error while installing the USB Driver, then watch this video to fix the problem.

Also Download: LG Volt USB Drivers

How to Install LG Viper 4G LTE LS840 USB Drivers

1. Download and extract LG Phone Drivers (LG-Mobile-Driver_WHQL_Ver_4.5.0.zip) to your computer.
2. Once extracted, you'll find the LG Mobile Driver setup (LG-Mobile-Driver_WHQL_Ver_4.5.0.exe) file.
3. Right-click on the LG USB Driver setup file and choose Run as administrator.
4. Now the LG Mobile Driver installation wizard window should open on your computer.
5. Click on Next to continue with the LG United Mobile Driver installation process.
6. Wait for the LG Drivers to install on your computer.
7. When finished, a window should pop-up saying, "LG Mobile Driver Installed Successfully!".
8. Click on OK to close the window.
9. Now, reboot your computer to complete the LG Drivers installation.
10. After reboot, you can connect your LG Mobile Phone to your computer using a USB data cable and use any LG software like LG Mobile Support Tool, LGUP Tool, etc.

How to Install LG Viper 4G LTE LS840 USB Drivers Manually

1. Download and extract the latest Android USB Driver (latest_usb_driver_windows.zip) file to Desktop on your computer.
2. Now open the Device Manager on your computer by right-clicking Windows Start Button and selecting Device Manager.
3. Now click on your Computer name in the Device Manager window.
4. Now click on Action and then click on Add legacy hardware.
5. Now Add Hardware Wizard window should open. Click on Next to continue.
6. Select Install the hardware that I manually select from a list (Advanced) option and click on Next.
7. Select Show All Devices from the list and click on Next.
8. In the next screen, click on Have Disk… to open the Install From Disk window.
9. In the Install From Disk window, click on Browse… and navigate to the folder where you have extracted the drivers in Step #1.
10. Now select android_winusb.inf driver file and click on Open and then on OK.
11. Now select the Android ADB Interface driver from the list and click on Next.
12. Confirm the Hardware driver to install and click on Next to begin the installation process.
13. Once installed, click on Finish.
14. Follow Steps #3 to #13 again and install the Android Bootloader Interface driver and Android Composite ADB Interface driver.
15. Once all the listed drivers are installed, reboot your computer.

How to Install LG Viper 4G LTE LS840 ADB and Fastboot Drivers

1. Download and extract the 15 Seconds ADB installer zip file on your computer. Once extracted, you'll find the ADB driver installer setup file.
2. Right-click on the ADB installer setup file and select Run as administrator.
3. Now 15 seconds ADB driver installer command prompt window should open on your computer.
4. It should ask whether you want to install the ADB driver and Fastboot driver. Press the Y key and then press Enter.
5. Now, it should ask whether you want to install the ADB driver system-wide. Press the Y key again and hit Enter.
6. Now, the ADB and Fastboot driver installation process should begin.
7. When the ADB driver installation is finished, it will ask whether you want to install device drivers. Press the Y key and then press Enter.
8. Now the "Device Driver Installation Wizard" window should pop-up.
9. Click on Next to begin installing Google USB Drivers (WinUSB).
10. Once the installation process is completed, click on Finish and restart your computer.