audioOS 9.9.16.0 (build 20J6373) is an official Apple over-the-air update for the HomePod, released on 2022-09-12T17:06:17Z. The update package is 2 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 9e8c88cd4f72611291a21fc81bab1049871e92e5.zip.