Some LG Optimus Extreme (LG L40G) users asked that where they can download the latest LG USB Drivers Ver. 3.8.1 for their LG Optimus Extreme (LG L40G) cell phones.
In order to establish USB connection between your device and computer, you need to install the proper usb drivers onto your computer.
This is the the lateset LG Android USB Device drivers Ver. 3.8.1 works on computers running windows xp/wind 2000, vista and windows 7 operating system
Download LG Optimus G (LG LS970) USB Drivers
If you experience any USB Connection problems, please share with us.