The firewall will upload the file, apply it, and automatically reboot. This process usually takes between 3 to 10 minutes depending on the hardware model. Phase 3: Post-Upgrade Verification Log back into the GUI.
Select the correct firmware image file ( ) and click Download 1.2.1. fortigate firmware download
You will see a list of releases. Use the filters: The firewall will upload the file, apply it,
Read the specific build's release notes for known issues and bug fixes. The firewall will upload the file
The Ultimate Guide to FortiGate Firmware Downloads: Safety, Lifecycle, and Best Practices
: This can occur if you are trying to upgrade via the 'Fabric Upgrade' menu on a standalone unit. Fabric Upgrade is designed for Security Fabric members. Instead, use the standard System > Firmware menu.