audioOS 9.9.16.3

audioOS 9.9.16.3 (build 20K649) is an official Apple over-the-air update for the HomePod (Unknown Model), released on 2023-01-24T18:08:07Z. The update package is 1.15 GB. This is a delta (partial) update that requires 15.4.1 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 1408ceb343c0715d43f769949c7c06b901130d24.zip.