audioOS 9.9.18.4 (build 22L6255) is an official Apple over-the-air update for the HomePod mini, released on 2025-03-31T17:29:27Z. The update package is 2.54 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: bdc308dbae285458147cfb8db6aaa0f33dc4469f.zip.