audioOS 9.9.17.0 (build 21J354) is an official Apple over-the-air update for the HomePod mini, released on 2023-09-18T17:26:41Z. The update package is 1.13 GB. This is a delta (partial) update that requires 16.3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a99f27a4e8a0ec1e83845d5c76c3301574f4f0a6.zip.