audioOS 9.9.16.3 (build 20K649) is an official Apple over-the-air update for the HomePod mini, released on 2023-01-24T18:08:15Z. The update package is 1.4 GB. This is a delta (partial) update that requires 14.6 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 9614b339f79e10ed262eab74ea04d1cb9594597a.zip.