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 2023-01-24T18:08:01Z. The update package is 1.49 GB. This is a delta (partial) update that requires 14.2.1 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 ac2383a2d94209258ee57f02cfa93423cdb758ec.zip.