audioOS 9.9.16.5 (build 20L563) is an official Apple over-the-air update for the HomePod mini, released on 2023-05-18T17:11:38Z. The update package is 1.21 GB. This is a delta (partial) update that requires 15.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: e4a52a5f04897126e411838f8dff24eec1168641.zip.