Sunxi-FEL represents the most critical component of the entire toolkit. FEL stands for "Factory Equipment Loader," a low-level bootROM mode present in Allwinner SoCs that allows direct communication with the processor via USB OTG port. When a device enters FEL mode, it bypasses the normal boot process and waits for commands from a host computer, providing an unprecedented level of hardware control.
git clone https://github.com/linux-sunxi/sunxi-tools.git
Note: Always refer to the official linux-sunxi.org wiki for the latest FEL protocol changes. The Windows port follows the same protocol, so all documentation applies. sunxitools windows portable
The core utility. It communicates with Allwinner devices in FEL mode via USB. You use it to read chip versions, boot initial code into RAM, and flash storage.
For years, Allwinner development was locked behind Linux-only workflows. A portable Windows build breaks that barrier. It allows hobbyists to interact with their hardware using the same tools the pros use, all within the familiar Windows environment. Whether you're a retro-handheld enthusiast or an IoT developer, having Sunxitools in your digital toolbox is essential. Sunxi-FEL represents the most critical component of the
of sunxi-tools for Windows. Let me know what you are currently trying to build or fix! Share public link
If you are still using PhoenixSuit, here are three reasons to switch to the portable version of SunxiTools: git clone https://github
: The portable version might be missing libusb-1.0.dll . Ensure all files from the zip file were extracted to the same folder.
Sunxi-tools Windows Portable: Your Complete Guide to Allwinner Development
This returns the SPL (Secondary Program Loader) version and other device identifiers.
A low-level routine embedded in the chip's ROM used for initial flashing and recovery.