: Access MySonicWall.com with your registered credentials.
: NSA 220, NSA 240, NSA 250M, NSA 2400, NSA 3500, NSA 4500, and NSA 5000. Sonicos 5.9.2.13 Download
: Click the Firmware icon. If the version does not appear immediately, click Browse All Firmware to see historical and maintenance releases. : Access MySonicWall
: Find the .sig file for SonicOS 5.9.2.13 and save it to your local machine. Installation and Upgrading SonicOS 5.9.2.13 Release Notes - Login Sonicos 5.9.2.13 Download