audioOS 9.9.17.3 (build 21K646) is an official Apple over-the-air update for the HomePod mini, released on 2024-01-22T18:29:30Z. The update package is 1.83 GB. This is a delta (partial) update that requires 14.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 09de41245afc72d9ab5007fbf15145c13fad3254.zip.