audioOS 9.9.17.5 (build 21L569) is an official Apple over-the-air update for the HomePod, released on 2024-05-13T17:36:05Z. The update package is 1.58 GB. This is a delta (partial) update that requires 15.4.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 3c1a5355a07bf999691599d5972799748c8ef8fb.zip.