audioOS 9.9.18.3 (build 22K557) is an official Apple over-the-air update for the HomePod, released on 2025-01-27T18:19:37Z. The update package is 1.91 GB. This is a delta (partial) update that requires 14.7 already installed. This update is currently signed by Apple, so it can be applied from Settings › General › Software Update.

Payload file: 8a880f82ac3599fe487177a9c7f74df83b7ad554.zip.