audioOS 9.9.18.6

audioOS 9.9.18.6 (build 22M84) is an official Apple over-the-air update for the HomePod mini, released on 2025-07-29T17:28:01Z. The update package is 408.68 MB. This is a delta (partial) update that requires 18.4.1 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 f216661416f5c22b851fdf77212a375beeb6fd2b.zip.