audioOS 9.9.16.1 (build 20K71) is an official Apple over-the-air update for the HomePod, released on 2022-10-24T17:16:52Z. The update package is 1.07 GB. This is a delta (partial) update that requires 15.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 1f1361e53b970b25ca667e643e12cbc7fd18ae41.zip.