audioOS 9.9.16.1 (build 20K71) is an official Apple over-the-air update for the HomePod (Unknown Model), released on 2022-10-24T17:16:57Z. The update package is 1.41 GB. This is a delta (partial) update that requires 14.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 1fca4627e808a384bc861f2751aa1f703988aec5.zip.