audioOS 9.9.15.0

audioOS 9.9.15.0 (build 19J346) is an official Apple over-the-air update for the HomePod (Unknown Model), released on 2021-09-20T17:12:11Z. The update package is 1.19 GB. This is a delta (partial) update that requires 14.3 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 d233eced3b913df8ecd3c4fb21c823e67e2d0fae.zip.