1. Connect pc and box with rs232.
2. Open ALIUP.exe pc tool, and select right file to update(should use upgrade file)
3. Press power key before start the box, then it will blink "H" on front panel
4. Press "Start" on ALIUP.exe pc tool, it will auto download sw and try to burn to flash
5. After it finish the upgrade, power off and power on box.
