audioOS 9.9.17.6 (build 21M71) is an official Apple over-the-air update for the HomePod, released on 2024-07-29T20:28:01Z. The update package is 706.68 MB. This is a delta (partial) update that requires 17.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: bb8000157e1d5848156c7619dd6c4a357df37f86.zip.