audioOS 9.9.16.3 (build 20K649) is an official Apple over-the-air update for the HomePod mini, released on 2023-01-24T18:08:16Z. The update package is 1.18 GB. This is a delta (partial) update that requires 15.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ce51f170b78b966216167640b6fd5bc22f3a116a.zip.