: Download and unzip the PhoenixCard archive into a folder. Launch : Run PhoenixCard.exe .

Once completed, remove the SD card and insert it into your device to start the upgrade. ⚠️ Disclaimer

The SD card should typically be formatted to FAT32 before use. How to Use PhoenixCard v4.2.7

Unlike generic tools like Win32 Disk Imager or Balena Etcher, PhoenixCard understands Allwinner’s specific boot architecture. It can write firmware in two distinct modes: