audioOS 9.9.16.4.1 (build 20L498) is an official Apple over-the-air update for the HomePod (Unknown Model), released on 2023-04-12T17:25:19Z. The update package is 1.43 GB. This is a delta (partial) update that requires 14.7 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 2c29719fe81cdce740d2c228783332b06e89d9c6.zip.