audioOS 9.9.16.6 (build 20M73) is an official Apple over-the-air update for the HomePod mini, released on 2023-07-24T17:30:17Z. The update package is 721.23 MB. This is a delta (partial) update that requires 16.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 72dee7f604925d160f43e5e60873a8d8961fbfff.zip.