audioOS 9.9.17.1.1 (build 21K82) is an official Apple over-the-air update for the HomePod (2nd generation), released on 2023-11-07T21:40:10Z. The update package is 1.17 GB. This is a delta (partial) update that requires 16.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ab46855aa3f9cb707413998245a42593440fd283.zip.