audioOS 9.9.18.6 (build 22M6084) is an official Apple over-the-air update for the HomePod, released on 2025-07-29T17:27:40Z. The update package is 2.53 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 9e139b53d15b7c8eb8c10d9a7488f3f96c1b6ba8.zip.