Fortigate | Firmware Download New! Install

Under the tab, you will see available upgrade paths.

Verify OSPF, BGP, or static routes are fully populated ( get router info routing-table all ).

Note the "Firmware Version" (e.g., v7.0.12 build1234).

Launch a local TFTP server (like Tftpd64) on your computer and place the firmware .out file in the root directory. Open a CLI session (SSH or Console cable) to the FortiGate.

For High Availability (HA) clusters, pre-upgrade verification is mandatory. An unhealthy cluster can lead to split-brain scenarios or synchronization failures. fortigate firmware download install

Read and accept the warning prompt. The system will download the image, apply it, and reboot. Method 2: Manual Installation via Local Upload (GUI)

The tool will output a sequence like: v7.0.12 → v7.0.13 → v7.2.5 → v7.4.1 → v7.4.3

Connect an Ethernet cable from your laptop to the FortiGate’s mgmt or port1 interface.

Go to > Events to ensure there are no "File System Check" errors or configuration update failures. Pro-Tips for a Smooth Upgrade Under the tab, you will see available upgrade paths

Best for standard upgrades where the device is already running.

In this guide, we will walk you through the entire lifecycle of a FortiGate firmware upgrade—from checking compatibility to downloading the correct file and executing a safe installation.

FortiGate firmware upgrades are essential for maintaining a secure and efficient network. By following a methodical approach—backing up your configuration, checking the upgrade path, reviewing release notes, selecting the appropriate installation method, and having a rollback plan ready—you can perform firmware upgrades confidently with minimal risk of downtime or data loss. Remember that preparation is more important than speed: a properly planned upgrade takes time but keeps your network secure and stable.

Use a TFTP server or upload the image directly if the unit has USB capabilities. Launch a local TFTP server (like Tftpd64) on

Last updated: 2025. Always refer to official Fortinet documentation for version-specific instructions.

Before any firmware upgrade, you must ensure your system is prepared. Skipping these steps is the number one cause of upgrade failures.

In the upper-right corner, click on your administrator profile name. Select > Backup . Select Local PC as the backup destination.