audioOS 9.9.15.5 (build 19L570) is an official Apple over-the-air update for the HomePod mini, released on 2022-05-16T18:24:08Z. The update package is 1.93 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a9591b7ef01ac4aa89f18d416b368bae61cbd2e5.zip.