sunxi-fel.exe -p uboot u-boot-sunxi-with-spl.bin write 0x42000000 zImage write 0x43000000 sunxi.dtb bootcmd 0x42000000 0x43000000
Use Zadig to re-install the libusb-win32 driver. Ensure the device is truly in FEL mode (the LED might be off or blinking differently).
Zadig is the standard tool for this job. It's a lightweight Windows utility designed to install open-source USB drivers like WinUSB. sunxi-tools windows
You can find pre-compiled Windows versions of the tools or compile them yourself:
If you are working with Allwinner-based devices—such as Orange Pi, Banana Pi, NanoPi, or various TV boxes—you will eventually need to interact with the device at a low level. The suite is the go-to utility for interacting with these chips via FEL mode , which allows you to burn images, flash U-Boot, or boot directly from a USB connection without an SD card. sunxi-fel
Open Windows Device Manager. If the device has a yellow exclamation mark or shows as an unknown device, open Zadig and reinstall the WinUSB driver. "libusb_open error / Permission Denied"
Compiling from source on Windows requires a complex MinGW toolchain. Fortunately, the open-source community maintains updated, pre-compiled Windows binaries. It's a lightweight Windows utility designed to install
Compiling the tools from the official source code is the most reliable method. It ensures you get the latest features and bug fixes.
At its core, sunxi-tools is a powerful collection of utilities for ARM devices powered by Allwinner (sunxi) processors. It gives you direct access to the hardware, which is invaluable for development and troubleshooting. Key components include:
is a collection of command-line utilities created by the Linux-Sunxi community. It is the Swiss Army Knife for managing Allwinner devices. It allows you to communicate with the device in FEL mode —a low-level recovery mode that allows you to flash the onboard storage (NAND/eMMC) or boot the device over USB.