Technical Tip: Downgrade/Upgrade via GUI for FortiOS 7.2.0

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Description	This article describes that in v7.2.0 GUI option to downgrade/upgrade the FortiOS under System - > Firmware is no more available.
Scope	FortiGate, Fabric Management.
Solution	From v7.0.2 a new feature of 'Fabric Management' is added into FortiOS from where the administrator can upgrade/downgrade the FortiOS for the Local FortiGate, and as well as if Security fabric is configured, from the root FortiGate one can upgrade/downgrade the FortiOS for downstream devices. There are two ways to access the Fabric Management page from the GUI. Option 1: From Firewall GUI go to System - > Fabric Management. The devices are displayed in the table with their firmware version and status and available version to upgrade. To upgrade/downgrade: Select the device and select 'Upgrade'. The FortiGate upgrade pane opens. Select Latest (other options available are All Upgrades, All Downgrades, and File Upload). Select the option that is displayed. Select options: 'Follow upgrade path' or 'Directly upgrade to'. Review warning information to option 'Follow upgrade path': If 'Directly update' is selected: Option 2: To access the Fabric Management page from GUI (This option is only available from FortiOS 7.2.0 onward) GUI - > Admin - > system - > Fabric Management. There is an option to schedule the upgrade/downgrade on Fabric Management  To schedule the upgrade/downgrade on the firewall, go to  System -> Fabric Management -> Fabric Upgrade. Follow steps: 'Select Firmware', 'Choose Schedule', 'Review'. Review Warning Information message. Select Firmware options: 'Latest' or 'All Upgrades' or 'All Downgrades'. Select: 'Follow upgrade path' or 'Directly upgrade to'.      6. Choose 'Custom', select the date and time, and select 'Next'. Review and select 'Confirm and Backup Config'. To cancel the scheduled upgrade/Downgrade,  go to System -> Fabric Management -> Cancel Fabric Upgrade. Note. Schedule upgrade/downgrade is only available on Fabric Upgrade in Fabric Management. Related articles: Technical Tip: How to Cancel FortiGate upgrade using Fabric Management Page (Fabric Upgrade) Technical Tip: Checking the upgrade path inside the FortiOS GUI Technical Tip: Manual firmware upgrade by referring to an upgrade path Technical Tip: How to upgrade FortiGate firmware