Upgrading FortiGate firmware

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In this example, you upgrade your FortiGate firmware from FortiOS 6.0.0 to 6.0.1.

Find this recipe for other FortiOS versions
5.2 | 5.4 | 6.0

1. Checking the current FortiOS firmware

To check which firmware version you’re using, go to the Dashboard and view the System Information widget, which shows the current Firmware.

To find out if a new FortiOS version is available, go to System > Firmware. If new firmware is available, a notice appears under Current version.

2. Updating to the latest firmware

Under FortiGuard Firmware, select Latest. A notice may appear stating that there is no valid upgrade path for this firmware version. If this is the case, select All available instead and find a suitable firmware version for your FortiGate.

For more information about the upgrade path, visit the Fortinet Support website.

If no warning appears, select Release notes to learn more about the firmware build. Release notes are also available at the Fortinet Documentation Library.

To upgrade your FortiGate, select Backup config and upgrade. When prompted, select Continue.

Save the backup of your current FortiGate configuration, in case you need to restore it after the upgrade process.

Firmware can also be downloaded directly from the Fortinet Support website, then uploaded manually to your FortiGate.

3. Results

The FortiGate uploads and installs the firmware, then restarts. This process takes a few minutes. When the firmware is installed, the FortiGate login appears.

Go to the Dashboard. The System Information widget shows the new Firmware version.

For further reading, check out Firmware in the FortiOS 6.0 Online Help.

Victoria Martin

Victoria Martin

Technical Writer at Fortinet
Victoria Martin works in Ottawa as part of the FortiOS technical documentation team. She graduated with a Bachelor's degree from Mount Allison University, after which she attended Humber College's book publishing program, followed by the more practical technical writing program at Algonquin College. She does need glasses but also likes wearing them, since glasses make you look smarter.
Victoria Martin

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When a new FortiOS version is released, it may not be listed on your FortiGate right away. If this occurs, download the firmware from the Fortinet Support website, then use Upload Firmware to upgrade your FortiGate.