audioOS 9.9.16.3 (build 20K649) is an official Apple over-the-air update for the HomePod (Unknown Model), released on 2023-01-24T18:08:01Z. The update package is 1.49 GB. This is a delta (partial) update that requires 14.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: e0190fa9ae2ba0ef800fb3a591d19b2244a7f89a.zip.