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 1.21 GB. This is a delta (partial) update that requires 16.3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 667b979207afd74828f3b3a87a5b7d713cd4dbcc.zip.