Downgrade from FortiGate Firewall Firmware Version 7.0.5 to 7.0.4

 Downgrade from 7.0.5 to 7.0.4 

 Requriement: Backup must have

 Fortigate# diag sys flash list

 In here: Image 304 is Version 7.0.7 and Image 301 is Version 7.0.4





FortiGate# exec set-next-reboot primary

It will change to "Active-Yes".





Downgrade Firmware Scenario-2

Version 6.4.7

Version 7.0.5

Version 7.2.0

Requirement: Backup config on 6.4.7 needed.

1) Pre-download the firmware version from the support portal

2) Directly downgrade it from the GUI firmware version 6.4.7.

3) After downgrade and completely wipe off the config using

4) FortiGate # exec factoryreset>Yes. 


5) Restore the config Backup on version 6.4.7



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