audioOS 9.9.16.5 (build 20L563) is an official Apple over-the-air update for the HomePod mini, released on 2023-05-18T17:11:41Z. The update package is 1.2 GB. This is a delta (partial) update that requires 15.4.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 7ed17e2555dee583989b3cd14f1a112a7af87c85.zip.