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 17.6 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: cc883aeca0c46c5fa807f38248705aa08f5d8bf0.zip.