The Cisco ASA 5506-X with FirePOWER Services is now obsolete (past End-of-Life and End-of-Support status).
End-of-Sale Date: 2021-07-30
End-of-Support Date: 2022-07-31
Cisco's End-of-Life Policy
You can view a listing of available null offerings that best meet your specific needs
If you want support information for the Cisco ASA 5506-X with FirePOWER Services documentation, it may be available through Cisco.com Search or in the Cisco Community