You can perform an update to the software in different ways.
From the WebGUI:
Go to MAINTENANCE -> software update -> Update downloader
When the update file appears, click the Download button.
The update will take a few minutes, after which the system will reboot.
You can also download the update from our website: http://www.open-e.com
You’ll need to register on the website or login.
Register your product with the serial number in the field provided.
After registering the module, you can log in.
Click on Service and Support.
Click on Software Updates (in the left column)
You can click on the update link and save the .iso image to your hard disk.
Burn the image to a CD using image burning software. Be sure the program burns the bootable iso image to the CD.