audioOS 9.9.14.7 (build 18M60) is an official Apple over-the-air update for the HomePod, released on 2021-07-19T17:43:21Z. The update package is 930.3 MB. This is a delta (partial) update that requires 13.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 54fd4c88f9bf68424469cd088cda84e25a9ad325.zip.