audioOS 9.9.17.2 (build 21K365) is an official Apple over-the-air update for the HomePod, released on 2023-12-11T18:21:33Z. The update package is 1.82 GB. This is a delta (partial) update that requires 14.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: db9db2104fb8b2678e254947f2bff0c34a26a2e6.zip.