audioOS 9.9.18.4.1

audioOS

Version

9.9.18.4.1

Build ID

22L261

File Size

1.44 GB

Release Date

2025-04-16T17:28:41Z

Update Type

Normal release

Delta update - requires 16.5 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 2025-04-16T17:28:41Z. The update package is 1.44 GB. This is a delta (partial) update that requires 16.5 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 a143378a58223a7a8d8cc8314e8522a9e1f2a73d.zip.

Direct URL

https://updates.cdn-apple.com/2025WinterFCS/patches/082-18729/6D79BBF4-FB69-46C3-BC51-C4DF1D5227FF/com_apple_MobileAsset_SoftwareUpdate/a143378a58223a7a8d8cc8314e8522a9e1f2a73d.zip

Filename

a143378a58223a7a8d8cc8314e8522a9e1f2a73d.zip

Other Devices

HomePod

AudioAccessory1,1

HomePod (2nd generation)

AudioAccessory6,1

HomePod (Unknown Model)

AudioAccessory1,2