Click Upload Firmware and locate new firmware. Firmware upgrades are available through www.MySonicWall.com.
Uploading Firmware
Having downloaded an image from MySonicWall to your PC, upload using the dialog. The image then appears in the table of Firmware Images. From there, you can choose to install it using the current configuration or opt to use the default settings.
To boot new firmware
Select the option as shown below and boot.
The upload and boot process takes only about two minutes.