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SonicOS 5.8.1.2 Release Notes for the NSA 220/250M Series Appliances
P/N 232-000648-00 Rev A
Upgrading a SonicOS Image with Factory Defaults
Perform the following steps to upload new firmware to your SonicWALL appliance and start it up using the default
configuration:
1. Download the SonicOS firmware image file from mysonicwall.com and save it to a location on your local
computer.
2. On the System > Settings page, click Create Backup.
3. Click Upload New Firmware.
4. Browse to the location where you saved the SonicOS firmware image file, select the file, and click Upload.
5. On the System > Settings page, click the Boot icon in the row for Uploaded Firmware with Factory
Default Settings.
6. In the confirmation dialog box, click OK. The SonicWALL restarts and then displays the Setup Wizard, with
a link to the login page.
7. Enter the default user name and password (admin / password) to access the SonicWALL management
interface.
Using SafeMode to Upgrade Firmware
The SafeMode procedure uses a reset button in a small pinhole, whose location varies: on the NSA models, the
button is near the USB ports on the front; on the TZ models, the button is next to the power cord on the back. If you
are unable to connect to the SonicWALL security appliance’s management interface, you can restart the
SonicWALL security appliance in SafeMode. The SafeMode feature allows you to quickly recover from uncertain
configuration states with a simplified management interface that includes the same settings available on the
System > Settings page.
To use SafeMode to upgrade firmware on the SonicWALL security appliance, perform the following steps:
1. Connect your computer to the X0 port on the SonicWALL appliance and configure your IP address with an
address on the 192.168.168.0/24 subnet, such as 192.168.168.20.
2. Do one of the following to restart the appliance in SafeMode:
• Use a narrow, straight object, like a straightened paper clip or a toothpick, to press and hold the reset
button on the front of the security appliance for more than 20 seconds.
• Use the LCD control buttons on the front bezel to set the appliance to Safe Mode. Once selected, the
LCD displays a confirmation prompt. Select Y and press the Right button to confirm. The SonicWALL
security appliance changes to SafeMode.
The Test light starts blinking when the SonicWALL security appliance has rebooted into SafeMode.
Note: Holding the reset button for two seconds will send a diagnostic snapshot to the console. Holding the
reset button for six to eight seconds will reboot the appliance in regular mode.
3. Point the Web browser on your computer to 192.168.168.168. The SafeMode management interface
displays.
4. If you have made any configuration changes to the security appliance, select the Create Backup On Next
Boot checkbox to make a backup copy of your current settings. Your settings will be saved when the
appliance restarts.
5. Click Upload New Firmware, and then browse to the location where you saved the SonicOS firmware
image, select the file, and click Upload.
6. Select the boot icon in the row for one of the following:
• Uploaded Firmware – New!
Use this option to restart the appliance with your current configuration settings.
• Uploaded Firmware with Factory Defaults – New!
Use this option to restart the appliance with default configuration settings.
7. In the confirmation dialog box, click OK to proceed.
8. After successfully booting the firmware, the login screen is displayed. If you booted with factory default
settings, enter the default user name and password (admin / password) to access the SonicWALL
management interface.