audioOS 9.9.17.1.1 (build 21K82) is an official Apple over-the-air update for the HomePod, released on 2023-11-07T21:40:03Z. The update package is 1.12 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: 3164d21dc6fb06f851d0535f5687a696fde41101.zip.