Sunxi-tools Windows
On Windows, Allwinner FEL mode (VID 0x1f3a, PID 0xefe8) will not be recognized by default. You must install a driver like:
Without this, no tool (WSL, VM, or native) will see your device.
Open Command Prompt (cmd) or PowerShell in your tools directory.
Check Connection:
sunxi-fel.exe version
If everything is working, this will return the specific SoC version (e.g., "AW H3"). If it returns USB device not found, your driver isn't installed correctly or the device isn't in FEL mode.
Useful Commands for Windows Users:
If compiling on MSYS2 feels complicated, you can use WSL (Windows Subsystem for Linux) . However, USB passthrough in WSL1/WSL2 is non-trivial. The recommended approach: sunxi-tools windows
This method works but adds latency. For most flashing operations, the native sunxi-fel.exe described in Method 1 or 2 is faster and more reliable.
Zadig is a universal driver installer for USB devices. It works perfectly with sunxi-tools.
Open Zadig (Run as Administrator).
Locate the device: From the dropdown menu, select "Unknown Device #1" or "USB-OTG (Interface 0)" with VID 1F3A and PID EFE8.
Install the driver: Select libusb-win32 (or libusbK) as the target driver.
Click "Replace Driver" or "Install Driver". After installation, the device will appear as "libusb-win32 devices" in Device Manager. On Windows, Allwinner FEL mode (VID 0x1f3a, PID