FTD version 6.6 signature update EoL

[mortezasadeghi]

Hi,
I would reimage 2x Cisco ASA 5545x to FTD version 6.6(the latest supported image).
In the link below, Cisco mentioned the last signature update date, but I couldn't find the same for FTD version 6.6.

https://www.cisco.com/c/en/us/products/collateral/security/asa-firepower-services/asa5525-5545-5555-series-3-yr-subscrip-eol.html
I have an FMC with a valid lic installed and already have some FTD devices.
Could someone help me in this matter?
Does Cisco provide a signature update for FTD 6.6 with a valid license?

[Marvin Rhoads]

When managing a 6.6 device, your FMC must be no higher than version 7.2.

Reference: https://www.cisco.com/c/en/us/td/docs/security/secure-firewall/compatibility/management-center-compatibility.html#device-management-onprem

If you do not already have a subscription entitlement for your ASA 5545-X then a new one cannot be purchased and thus you have no right to use the updates for those devices. (The updates are delivered via FMC and delivered to the managed devices based on them having active and valid licenses.)

https://www.cisco.com/c/en/us/products/collateral/security/asa-firepower-services/asa5525-5545-5555-1yr-series-subs-eol.html

[ahollifield]

https://www.cisco.com/c/en/us/products/collateral/security/firepower-ngfw/firepower-ftd-fmc-6-6x-fxos-2-8x-eol.html