You can upgrade Dynasat IRD 7100 Firmware. Download from www.dynasat.com File ....... D-244-15-Apr-2005.zip... U can download file... But not upgrade .... Software and Hardware is't same function. Manufacturer said ""Sent to Distributer and Upgrade Hardware" . It is difficulty way... (((Dynasat Silverbox II is Easyway to Silverbox Plus))) ...IRD 7100 Circuit trace is different... Attach file for Silverbox II Upgrade Hardware and Software......