Here is a breakdown of what this device is and how to get it working.
: If the driver fails to start, try a different USB port (preferably a rear 2.0 port rather than a 3.0 hub). usb vid 1f3a&pid efe8&rev 02 3 driver
For standard tablet recovery, the driver is usually bundled with Allwinner's official flashing software. Booting into Allwinner FEL mode - OpenCentauri Here is a breakdown of what this device