The newest version of the firmware for the ZEN16 is 1.03.  I entered the lower bound as 1.01 and upper as 1.03. This displays as 1.10-1.30.  
The newest version of the firmware for the ZEN16 is 1.03.
I entered the lower bound as 1.01 and upper as 1.03. This displays as 1.10-1.30.