Download ADB Android USB Drivers for BLU Vivo 4.3 By Editorial Staff in BLU No Comments Tags: BLU, Vivo 4.3 Looking to download the USB drivers for BLU Vivo 4.3. You can download them here for free. Drivers are really important. If you want to root, or transfer files to your computer via a USB cable. Follow the step by step instructions to set them up.