audioOS 9.9.18.5 (build 22L572) is an official Apple over-the-air update for the HomePod, released on 2025-05-12T17:13:17Z. The update package is 1.88 GB. This is a delta (partial) update that requires 14.7 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 9a05883575e84dab4b292f5cb4b0c81c1b872ead.zip.