audioOS 9.9.17.6 (build 21M71) is an official Apple over-the-air update for the HomePod, released on 2024-07-29T20:27:52Z. The update package is 1.88 GB. This is a delta (partial) update that requires 13.4.6 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ffc1c3f2b79158594a313af03d89b8445cf142f6.zip.