This article shows you how to download the latest SonicOS firmware version for your SonicWall appliances.
To obtain a new SonicOS firmware for your SonicWall appliance:
3. Expand the firmware details for the version that you want to download and Click the Download link next to the latest version (.sig file).
TIP: To apply the downloaded firmware to your SonicWall firewall please see How to Upgrade SonicOS Firmware.