If your computer shows this as an "Unknown Device," you typically need the or Allwinner driver to communicate with it. Using Zadig (Recommended for Developers): Download the Zadig tool. Select Options > List All Devices . Choose the entry with VID 1F3A and PID EFE8 . Select WinUSB and click Replace Driver . Manual Installation:
If you aren't a developer, you might have triggered this mode by accident. Here is why your device is showing up this way: usb vid 1f3a&pid efe8&rev 02 3 driver
: If the driver fails to start, try a different USB port (preferably a rear 2.0 port rather than a 3.0 hub). If your computer shows this as an "Unknown