audioOS 9.9.16.1 (build 20K71) is an official Apple over-the-air update for the HomePod mini, released on 2022-10-24T17:17:07Z. The update package is 1.05 GB. This is a delta (partial) update that requires 15.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f9456c10cce2b7f5a23e96005a06546069336f04.zip.