audioOS 9.9.17.5 (build 21L569) is an official Apple over-the-air update for the HomePod, released on 2024-05-13T17:36:08Z. The update package is 316.42 MB. This is a delta (partial) update that requires 17.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 9ddba538a075f041b46fee0a70092d82661c1534.zip.