audioOS 9.9.18.2 (build 22K155) is an official Apple over-the-air update for the HomePod, released on 2024-12-11T18:26:00Z. The update package is 1.2 GB. This is a delta (partial) update that requires 17.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: dea86f66b556192e09984a1a4d5faa819ee044df.zip.