git clone https://github.com/torvalds/linux.git
cd linux
make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- sunxi_defconfig
make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- -j4 zImage dtbs
# Output: arch/arm/boot/zImage, arch/arm/boot/dts/sun8i-h3-*.dtb
For bricked devices or when you don’t have a card reader.
Tools:
Steps (Windows with LiveSuite):
Linux method (faster, more reliable): Use sunxi-fel utility. Allwinner H3 Firmware
sudo sunxi-fel version # Check connection
sudo sunxi-fel write 0x2000 uboot.bin
sudo sunxi-fel exec 0x2000
# Then use dd or live image
make orangepi_pc_defconfig
The Allwinner H3 is a quad-core Cortex-A7 system-on-chip (SoC) that became a staple in the budget tech world. If you own an older Android TV box, an Orange Pi single-board computer, or a NAS device from the mid-2010s, there is a high chance it is powered by the H3.
While the hardware is aging, the software ecosystem remains vibrant. Whether you are trying to fix a bricked device, breathe new life into an old TV box, or install the latest version of Armbian, understanding Allwinner H3 firmware is essential. git clone https://github
This guide covers everything you need to know about finding, selecting, and flashing firmware for H3 devices.
You will encounter three common formats:
Because it is so easy to corrupt the bootloader on an SD card, Allwinner included a failsafe: FEL Mode. For bricked devices or when you don’t have a card reader
If the H3 finds no valid boot signature on any connected device, it drops into a USB recovery mode (FEL). Using a tool like sunxi-fel on your Linux PC, you can:
Why this is cool: You can literally run a Linux kernel on an H3 board with nothing attached except a USB cable. This is the ultimate hardware hacker tool.