audioOS 9.9.17.1 (build 21K69) is an official Apple over-the-air update for the HomePod mini, released on 2023-10-25T17:23:55Z. The update package is 1.54 GB. This is a delta (partial) update that requires 15.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ec746d05513b42b56aa9335da297f51ecba96cf9.zip.