Go to Dashboard and check the firmware version.
If the GUI does not show the option to upgrade, you may need to upgrade to an intermediate version first.
FortiGate configurations are stored in a binary format. When the device reboots with new firmware, a script runs to convert the old configuration syntax to the new syntax. This is why . If the conversion script encounters a syntax it can't handle (often due to deprecated features), the device might default to factory settings to preserve network reachability. fortigate firmware download install
Keeping your FortiGate firewall's firmware up to date is essential for security, performance, and access to new features. This guide walks through downloading the correct firmware and performing a safe upgrade on a FortiGate device. It assumes you have administrative access to your FortiGate and basic networking knowledge.
The tool will output an exact step-by-step sequence of firmware versions you must install sequentially. You must download and install each intermediate version, letting the firewall reboot completely between steps. Part 3: How to Download FortiGate Firmware Go to Dashboard and check the firmware version
Never skip reading the Release Notes for your specific target firmware version. Pay close attention to:
Under the File Upload section, click or Upload Option . Select the .out firmware file you downloaded in Section 3. Click Backup Config and Upgrade . When the device reboots with new firmware, a
execute restore image tftp [firmware_filename].out [TFTP_Server_IP_Address] Use code with caution.
Ensure antivirus and attack definitions are updated. Important Considerations
Download the official SHA256 or MD5 text file provided in the same Fortinet directory.
Once the unit boots back up, log in and verify the new firmware version on the status dashboard.