Technical Tip: How to do firmware upgrade for FortiFone using TFTP server

[cysaw]

Description	This article describes how to do firmware upgrades for FortiFone using a TFTP server
Scope	FortiFone (hardware).
Solution	Install the TFTP server tool and upload the desired firmware image to the TFTP server. SSH to the FortiFone using its IP address with an SSH client like PuTTY. Login to the FortiFone using the SSH client. Run the following CLI command in the SSH client: execute restore image tftp <FW_image_name> <TFTP_IP_address>      5. The output below indicated that the FortiFone managed to get the firmware image from the TFTP server and upgrade it.      6. Check the FortiFone and it should be upgraded successfully.