audioOS 9.9.15.5.1

audioOS 9.9.15.5.1 (build 19L580) is an official Apple over-the-air update for the HomePod mini, released on 2022-05-25T17:17:07Z. The update package is 484.57 MB. This is a delta (partial) update that requires 15.1.1 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 ae8a7caf239eb9068539bd0dfc3ce67a80aefd9c.zip.