audioOS 9.9.16.4

audioOS 9.9.16.4 (build 20L497) is an official Apple over-the-air update for the HomePod mini, released on 2023-03-27T17:13:27Z. The update package is 1.2 GB. This is a delta (partial) update that requires 15.4.1 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 5d393f5a6231da4065d04e9588f72379941ed1e4.zip.