audioOS 9.9.16.4

audioOS 9.9.16.4 (build 20L497) is an official Apple over-the-air update for the HomePod, released on 2023-03-27T17:13:06Z. The update package is 1.53 GB. This is a delta (partial) update that requires 14.2.1 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 b523b66f5c449346a4e672f73f6eda953d161c3f.zip.