audioOS 9.9.18.0 (build 22J357) is an official Apple over-the-air update for the HomePod mini, released on 2024-09-16T17:25:21Z. The update package is 1.67 GB. This is a delta (partial) update that requires 15.5 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a01c6234482cb1febe8aec82ed9d9cf51966d741.zip.