The HomePod (2nd generation) comes with a firmware identifier AudioAccessory6,1. It has a Board Configuration of B620AP and a Board Platform of . The CPID and BDID are 33537 and 24 respectively.
IPSWDL.COM is a website that provides download links for IPSW files, which are used to install or restore firmware on Apple devices. These files are sourced directly from Apple's servers.