audioOS 9.9.17.3 (build 21K646) is an official Apple over-the-air update for the HomePod mini, released on 2024-01-22T18:29:34Z. The update package is 367.09 MB. This is a delta (partial) update that requires 17.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4311302abd77b7e4b5ed4e8841f4b93f2cb53b82.zip.