audioOS 9.9.18.4.1

audioOS

Version

9.9.18.4.1

Build ID

22L261

File Size

1.2 GB

Release Date

2025-04-16T17:28:42Z

Update Type

Normal release

Delta update - requires 17.4 installed first.

Download OTA

Looking for beta firmware? View beta builds for HomePod mini →

About This Update

audioOS 9.9.18.4.1 (build 22L261) is an official Apple over-the-air update for the HomePod mini, released on 2025-04-16T17:28:42Z. The update package is 1.2 GB. This is a delta (partial) update that requires 17.4 to already be installed on the device - it cannot be applied from scratch. This update is no longer signed by Apple, meaning it can no longer be downloaded and applied on-device through Settings.

The OTA payload file is 05c5f56bf9d2df7ed9084ee432470c14ab5f6917.zip.

Direct URL

https://updates.cdn-apple.com/2025WinterFCS/patches/082-19010/AA42FCE9-2F21-49A8-92D8-85FD32071DC8/com_apple_MobileAsset_SoftwareUpdate/05c5f56bf9d2df7ed9084ee432470c14ab5f6917.zip

Filename

05c5f56bf9d2df7ed9084ee432470c14ab5f6917.zip

Other Devices

HomePod (Unknown Model)

AudioAccessory1,2

HomePod

AudioAccessory1,1

HomePod (2nd generation)

AudioAccessory6,1