audioOS 9.9.17.3

audioOS 9.9.17.3 (build 21K646) is an official Apple over-the-air update for the HomePod mini, released on 2024-01-22T18:29:33Z. The update package is 1.18 GB. This is a delta (partial) update that requires 16.3.1 to already be installed on the device - it cannot be applied from scratch. This update is no longer signed by Apple, meaning it can no longer be downloaded and applied on-device through Settings.

The OTA payload file is 4efcd2f2dd9cd5f26982dd7197c45f7be8e1478d.zip.