Sunxi-tools: Windows
: A tool for reading and displaying information from Allwinner boot headers.
Windows can now communicate with the device using the compiled sunxi-tools binaries. Common Use Cases and Commands 1. Verifying the Connection
: Reads parameters from Allwinner bootloaders (boot0/boot1). Setup on Windows
Recheck your Zadig configuration. Ensure the device shows hardware ID 1F3A:EFE8 . Try swapping USB ports (preferably use a USB 2.0 port instead of USB 3.0). "libusb_open error -3" or Access Denied
: Tools like J-Rios/Sunxi-Tools-Win include .bat scripts that simplify compiling complex boot configurations. sunxi-tools windows
Once those prerequisites are satisfied, the same powerful FEL protocol commands work seamlessly in a Windows command prompt, giving you full, low-level control over your Allwinner device. Whether you're recovering a bricked board, prototyping a new system, or just exploring the hardware, sunxi-tools on Windows is an indispensable tool in your embedded development arsenal.
Once the driver is installed, open a command prompt or PowerShell window, navigate to the folder containing sunxi-fel.exe , and you're ready to go. Here are the most common commands.
When using sunxi-tools on Windows, you may encounter some issues. Here are a few common problems and their solutions:
If successful, Windows Device Manager should show a new device. : A tool for reading and displaying information
You can dump the content of your device's memory to a file on your Windows desktop: sunxi-fel read 0x40000000 1024 memory_dump.bin Use code with caution. 3. Booting U-Boot Directly via USB
To dump the SPL (Secondary Program Loader) or specific registers for debugging: sunxi-fel.exe read 0x0000 1024 dump.bin Use code with caution. Troubleshooting Windows Specific Issues
: Re-run Zadig and ensure "WinUSB" is selected. Access Denied : Try running Command Prompt as Administrator. Conclusion
On Windows, the essential step is installing the correct USB driver so that Windows can communicate with your Allwinner device in FEL mode. This is easily done with the free tool . Download the latest version from the official website ( zadig.akeo.ie ). No installation is required; just run the .exe file. Verifying the Connection : Reads parameters from Allwinner
This is where most users fail. Even if you have the tools, Windows won't see the device without the right driver.
Update the package database and install dependencies by running:
Let’s walk through a typical workflow for booting a device in FEL mode and writing to its memory.