audioOS 9.9.17.1 (build 21K6069) is an official Apple over-the-air update for the HomePod, released on 2023-10-25T17:23:46Z. The update package is 2.36 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: a4f166b19466f8102f2ab8f803d73666b8979ec8.zip.