How to Upgrade Content Analysis.
Browse to https://support.broadcom.com/security and login. Select "My Downloads" to reach the "My Downloads" page. In the "Search Your Product" type the model of the device that you are upgrading and click on the link that is provided.
Select the release needed from the list of versions.
There are two ways to upgrade the unit, either by locally uploading the image to the device or downloading it via a URL directly to the unit. See the instructions for both options below.
Both options can be used in the Content Analysis Management Console under System -> Firmware
After successfully uploading the image, verify that the newly downloaded version is the default image, click save changes and click on Reboot system and load saved default system image.