You will want to download Universal Control 2.0 or higher. UC 2.0 release fixes some of the firmware update issues we've been having with the i-One / iTwo in the past.
As of this writing we are currently on release Universal Control 2.0.1.
We strongly recommend downloading UC 2.0.1 (or higher for future reference).
The version of firmware that is in this release is 1.32 for the iTwo.