audioOS 9.9.18.0 (build 22J357) is an official Apple over-the-air update for the HomePod, released on 2024-09-16T17:25:15Z. The update package is 1.11 GB. This is a delta (partial) update that requires 17.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 8ef7d3d70aa2a00d3acebdcba4acdf5dcbcae78e.zip.