audioOS 9.9.16.6

audioOS 9.9.16.6 (build 20M73) is an official Apple over-the-air update for the HomePod (2nd generation), released on 2023-07-24T17:30:19Z. The update package is 596.9 MB. This is a delta (partial) update that requires 16.3.2 to already be installed on the device - it cannot be applied from scratch. This update is no longer signed by Apple, meaning it can no longer be downloaded and applied on-device through Settings.

The OTA payload file is c39a46b5e87279b042bf5b6b9e239a71a35ebee1.zip.