audioOS 9.9.18.5 (build 22L6572) is an official Apple over-the-air update for the HomePod, released on 2025-05-12T17:13:13Z. The update package is 2.53 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: 289e5a6fdbc5009d547c897c0c34880a05e56fc6.zip.