audioOS 9.9.14.3 (build 18K563) is an official Apple over-the-air update for the HomePod mini, released on 2020-12-15T18:08:25Z. The update package is 207.95 MB. This is a delta (partial) update that requires 14.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ae3481deff7c29dfcf7c5e77465da2c5d849a3f0.zip.