
1. Connect pc and box with rs232.
2. Open 6622_xbmc_Download_V1.00.exe pc tool, and select right file(GxRom.bin) to update
3. Press "Start" on 6622_xbmc_Download_V1.00.exe pc tool,When show "please power on or restart and restart the boadd" ,restart the box, it will auto download sw and try to burn to flash
4. After it finish the upgrade, power off and power on box.
