audioOS 9.9.17.1 (build 21K69) is an official Apple over-the-air update for the HomePod, released on 2023-10-25T17:23:48Z. The update package is 1.79 GB. This is a delta (partial) update that requires 14.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f3406bf8c13b556afa3349534d0fbbcdbea1ec3e.zip.