In the world of network security, few names command as much respect as SonicWall. For over a decade, the SonicOS firmware has powered thousands of businesses, educational institutions, and government agencies. Among the myriad of firmware versions released, remains a critical touchstone for administrators managing legacy hardware.
Ensure you have alternative access to the firewall in case of issues:
and select your specific product from the "Software Type" or "Product Line" list. Select Version SonicOS 5.9.2.13 . If it is not immediately visible, click Browse All Firmware to see older general releases. Download the File Sonicos 5.9.2.13 Download
: Upgrading from 5.8 may impact performance on smaller appliances (like the TZ series or NSA 220) due to the increased security features. How to Download and Upgrade
: NSA 220, NSA 240, NSA 2400, NSA 3500, NSA 4500, and NSA 5000. E-Class NSA : NSA E5500, E6500, E7500, E8500, and E8510. In the world of network security, few names
Log in to your SonicWall management interface. Navigate to Firmware: Go to the System > Firmware page.
: TZ 100, TZ 100 Wireless, TZ 105, TZ 105 Wireless, TZ 200, TZ 200 Wireless, TZ 205, TZ 205 Wireless, TZ 210, TZ 215 Series Ensure you have alternative access to the firewall
This section is the most important part of this article for operational security.
: Save the firmware image file (extension usually .sig ) to your management computer. Upload to Firewall : Go to System > Settings . Click Upload New Firmware and select the downloaded file.
: NSA 220, NSA 220 Wireless, NSA 240, NSA 250M, NSA 250M Wireless, NSA 3500, NSA 4500