audioOS 9.9.16.6 (build 20M73) is an official Apple over-the-air update for the HomePod mini, released on 2023-07-24T17:30:16Z. The update package is 1.22 GB. This is a delta (partial) update that requires 15.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ad39a2fd6581430fd427f93e7db1ce37d172ebe0.zip.