| Major Branch | Example Build | Status | Recommended For | |--------------|---------------|---------|------------------| | 6.0.x | 6.0-build0405 | Legacy | Older FortiGate (6.0.x) | | 6.2.x | 6.2-build0287 | Mature | FortiGate 6.2.x | | 6.4.x | 6.4-build0250 | Stable | Most common today | | 7.0.x | 7.0-build0271 | Preferred | FortiGate 7.0.x | | 7.2.x | 7.2-build0138 | Latest stable | FortiGate 7.2.x+ |
Note: The exact "latest" version changes over time. Always verify the current "Supported Release" on the Fortinet Support site. fortiap 221e firmware upgrade path
Fortinet enforces strict version jumping rules. Skipping intermediate releases will cause the AP to fail to join the controller or become bricked. | Major Branch | Example Build | Status