execute restore image tftp <filename> <tftp-server-ip>
You will see a list of models (e.g., FortiGate 60F, 100F, 200F, or VMxx). Click your specific model. Selecting the wrong model will brick your device.
Before upgrading your FortiGate device to the latest firmware, ensure you:
import requests # Authenticate to support.fortinet.com API # Download firmware and compare SHA256 from metadata endpoint
Fortinet categorizes firmware as either (newest, latest tech) or Mature (stable, recommended for production). As of late 2025/early 2026, FortiOS 7.6.5 and higher have officially transitioned to the Mature phase, making them a safe bet for production environments. Pro Tips for a Smooth Upgrade