audioOS 9.9.16.3 (build 20K649) is an official Apple over-the-air update for the HomePod mini, released on 2023-01-24T18:08:20Z. The update package is 277.53 MB. This is a delta (partial) update that requires 16.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 0429915fcf9477c55a48769129f812df935d458e.zip.