audioOS 9.9.16.5 (build 20L563) is an official Apple over-the-air update for the HomePod mini, released on 2023-05-18T17:11:36Z. The update package is 1.22 GB. This is a delta (partial) update that requires 15.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 434069f68f52f0b0d5181a3aa00534eb39c8a8f5.zip.