audioOS 9.9.18.5 (build 22L572) is an official Apple over-the-air update for the HomePod mini, released on 2025-05-12T17:13:39Z. The update package is 1.2 GB. This is a delta (partial) update that requires 17.5 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f0ae4db308aff356c25b55fd0259f6fa545b146f.zip.