Download KDDI USB Driver compatible with all smartphone models.
An KDDI USB driver is a small piece of software that allows your computer to communicate with your KDDI smartphone or tablet. This means you can transfer files between your device and your computer and use your KDDI device for USB Tethering.Download KDDI Driver. KDDI USB Drivers work perfectly with all KDDI devices running Android OS. Therefore, all lines of devices, new and old, are compatible with this latest KDDI USB Driver. 
