audioOS 9.9.15.5

audioOS 9.9.15.5 (build 19L570) is an official Apple over-the-air update for the HomePod, released on 2022-05-16T18:23:45Z. The update package is 1.25 GB. This is a delta (partial) update that requires 13.4.8 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 f6c951b0dcab29c45a409317acf020bdec306e47.zip.