Upgrade USB module from Backup Exec Appliance to Backup Exec Appliance 3.0 R3

Good moning!

I need help. I work in distributer and have Backup Exec 3600 Demo Appliance. How can I to upgradу USB module from Backup Exec Appliance to Backup Exec Appliance 3.0 R3?

My client should reset the appliance to default factory settings after testing.