Sunxi-tools Windows Jun 2026

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: The flagship tool used to interact with the processor's low-level, hardcoded BootROM subroutine (FEL mode) over USB. It handles live memory editing, SPL/U-Boot execution, and SPI flash operations.

While primarily designed for Linux, sunxi-tools can be used on Windows. This guide will walk you through compiling or downloading, installing, and using sunxi-tools on Windows, specifically focusing on sunxi-fel . What is Sunxi-tools?

The most common point of failure for Windows users utilizing sunxi-fel is driver incompatibility. Windows will often assign a generic or incorrect driver to the Allwinner device when it enters FEL mode. To fix this, you must overwrite the driver using : sunxi-tools windows

sunxi-fel.exe dump 0x20000000 0x10000000 nand_backup.bin

Run your Command Prompt or PowerShell terminal as an Administrator . Missing DLL Errors (e.g., libusb-1.0.dll missing)

Fix: Ensure that the compilation process bundled the necessary .dll files in the same folder as your .exe utilities, or add your MSYS2 bin folder to your Windows system PATH. This public link is valid for 7 days

Put your Allwinner device into (usually done by holding a button while plugging in USB, or shorting specific pads). Plug the device into your Windows PC. Open Zadig . Go to Options and select List All Devices .

sunxi-tools is a suite of tools for Allwinner Sunxi SoC (System-on-Chip) based devices. They allow users to communicate with the device via USB while the device is in FEL mode—a boot mode that allows code execution directly from a host computer before loading an OS. Core Functionalities on Windows:

To ensure you have the latest features and bug fixes, compiling the tools from the official source code using MSYS2 is highly recommended. Download and install from its official website. Can’t copy the link right now

Using sunxi-tools on Windows allows you to interact with Allwinner SoC-based devices, typically to flash firmware or edit configuration files like script.bin . While natively intended for Linux, you can run them on Windows by either compiling them yourself or using a pre-built environment.

sudo dd if=u-boot-sunxi-with-spl.bin of=/dev/sdX bs=1024 seek=8