Only via USB recovery or TFTP. Downgrades are not supported via WebUI/CLI due to database schema changes. You must factory reset first.
The latest FortiGate firmware is more than a simple patch; it is a comprehensive upgrade that prepares organizations for an AI-centric threat landscape. By blending high-performance hardware with intelligent automation and Zero Trust architecture, FortiOS 7.6 provides a scalable, robust defense for the modern enterprise.
is the current recommended "Mature" release for many hardware models [38, 40]. The Ghost in the Firewall