audioOS 9.9.17.5 (build 21L569) is an official Apple over-the-air update for the HomePod mini, released on 2024-05-13T17:36:11Z. The update package is 1.6 GB. This is a delta (partial) update that requires 15.6 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 90df745fcb9f7a897c82a24e2fbf9673e96bff0c.zip.