audioOS 9.9.14.1 (build 18J8394) is an official Apple over-the-air update for the HomePod, released on 2020-10-20T17:27:08Z. The update package is 723.64 MB. This is a delta (partial) update that requires 13.4.6 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c27b4271a514d68b3795ab114ab14d8190b81b44.zip.