audioOS 9.9.16.4.1 (build 20L6498) is an official Apple over-the-air update for the HomePod, released on 2023-04-12T17:25:06Z. The update package is 2.15 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 58eef15b1bbc63406e75a3d0297f46d28579c997.zip.