Looking for the following Files if possible,
Location: [Hidden Content]
Files
ftd-boot-9.9.2.0.lfbff
ftd-6.2.3-83.pkg
Cisco_FTD_Patch-6.2.3.18-50.sh.REL.tar
Thanks again!
Background, I am following the guide here: [Hidden Content] to upgrade a 5506W-X to FTD
Thanks @MrWho