audioOS 9.9.18.3 (build 22K557) is an official Apple over-the-air update for the HomePod mini, released on 2025-01-27T18:19:44Z. The update package is 2.01 GB. This is a delta (partial) update that requires 14.3 already installed. This update is currently signed by Apple, so it can be applied from Settings › General › Software Update.

Payload file: 0f66c9822534d93e81a30bd79eaff41adbfdb922.zip.