audioOS 9.9.18.6

audioOS 9.9.18.6 (build 22M84) is an official Apple over-the-air update for the HomePod, released on 2025-07-29T17:27:49Z. The update package is 1.44 GB. This is a delta (partial) update that requires 16.4.1 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 093432b35947830607c270e63ff54d8e4058a2b1.zip.