audioOS 9.9.16.3.2 (build 20K672) is an official Apple over-the-air update for the HomePod mini, released on 2023-02-13T18:18:11Z. The update package is 1.17 GB. This is a delta (partial) update that requires 15.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c8b32c31bd5d973b6ada5bf8db4143d67bc5b1e4.zip.