audioOS 9.9.18.2 (build 22K155) is an official Apple over-the-air update for the HomePod, released on 2024-12-11T18:25:57Z. The update package is 1.55 GB. This is a delta (partial) update that requires 16.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: e7f7c2406685d4ea98ef5a0c76790749ed90915a.zip.