audioOS 9.9.16.3.2 (build 20K672) is an official Apple over-the-air update for the HomePod mini, released on 2023-02-13T18:18:14Z. The update package is 456.7 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: e87a48a8a9aa29814db33d27b0bcdf5f9ce3cdd8.zip.