audioOS 9.9.18.0 (build 22J357) is an official Apple over-the-air update for the HomePod mini, released on 2024-09-16T17:25:21Z. The update package is 1.67 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: 3ac0c122699abdd23189d1cae4c62b871543122c.zip.