For normal releases like 8.3.150.0 yes, you would install AIR-CT2500-K9-8-3-150-0.aes and then AIR-CT2500-AP_BUNDLE-K9-8-3-150-0.aes to get the AP802, AP1530, AP1550 and AP1570 software installed.The 8.5.182.12 download page doesn't list any 2504 AP ...
Most of your questions are answered in these docs:https://www.cisco.com/c/en/us/products/collateral/wireless/catalyst-9800-series-wireless-controllers/nb-06-cat9800-ser-wirel-faq-ctp-en.html#CiscoCatalyst9800SeriesWirelessControllerlicensinghttps://w...
Can you confirm that they have all been upgraded to 10.10.1.0?https://software.cisco.com/download/home/286324956/type/286325362/release/10.10.1.0
Unfortunately the regulars here don't work with these products so there's no real experience for us to s...
@Robert Plunkett there's no simple 1 line answer/command.
Check out this doc for architecture to understand the various different components on the specific models:https://www.cisco.com/c/en/us/products/collateral/switches/catalyst-9300-series-switch...