audioOS 9.9.15.3

audioOS 9.9.15.3 (build 19K547) is an official Apple over-the-air update for the HomePod (Unknown Model), released on 2022-01-26T18:16:54Z. The update package is 348.37 MB. This is a delta (partial) update that requires 15.0 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 5d80d6bdd84b27179d4a99d54b11ec4aa461faed.zip.