audioOS 9.9.18.0 (build 22J357) is an official Apple over-the-air update for the HomePod, released on 2024-09-16T17:25:03Z. The update package is 1.91 GB. This is a delta (partial) update that requires 13.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 2bca5c9571e2256d8bdcb6b37cba264fa7094d22.zip.