audioOS 9.9.16.2 (build 20K362) is an official Apple over-the-air update for the HomePod, released on 2022-12-13T18:12:02Z. The update package is 1.45 GB. This is a delta (partial) update that requires 13.4.8 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d7547881792329ffe92cb6dc301fd376fefb4801.zip.