audioOS 9.9.18.1 (build 22J580) is an official Apple over-the-air update for the HomePod, released on 2024-10-28T15:29:30Z. The update package is 948.85 MB. This is a delta (partial) update that requires 17.5 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 8e9d09de00de7758cc0f44a7266458a875efafc1.zip.