Sunxi-tools Windows -

Select your device (usually listed as "Allwinner USB device", "Unknown Device", or "FEL").

If the connection is successful, this command will return the Security ID (SID) of your processor. 2. Upload and Execute U-Boot To boot a custom U-boot image (e.g., for Orange Pi): sunxi-fel.exe uboot u-boot-sunxi-with-spl.bin Use code with caution. 3. Flash an Image to SD Card

sunxi-fel.exe write-sdcard --device \\.\PhysicalDrive2 u-boot-sunxi-with-spl.bin sunxi-tools windows

Compiles or decompiles the binary hardware description files ( .bin ) used by Allwinner kernels into human-readable text ( .fex ).

Download from msys2.org . Install to default path (e.g., C:\msys64 ). Select your device (usually listed as "Allwinner USB

Before installing, it helps to understand what the toolkit provides. The most widely used utilities in the package include:

# The 'sunxi-fel.exe' command must be run from an elevated command prompt or an environment with proper USB drivers. sunxi-fel -p spiflash-write 0 u-boot-sunxi-with-spl.bin Upload and Execute U-Boot To boot a custom U-boot image (e

The sunxi-tools suite is composed of several key utilities, each serving a specific purpose in the Allwinner ecosystem:

To check if your device is connected in FEL mode: sunxi-fel.exe version

Open Command Prompt, navigate to your sunxi-fel.exe folder, and run: