audioOS 9.9.17.5 (build 21L569) is an official Apple over-the-air update for the HomePod, released on 2024-05-13T17:36:06Z. The update package is 1.58 GB. This is a delta (partial) update that requires 15.5 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: fe102f0cd2bd510e23ad5f6d91553d53e36d4f5c.zip.