audioOS 9.9.17.4

audioOS

Version

9.9.17.4

Build ID

21L227

File Size

1.17 GB

Release Date

2024-03-07T18:16:23Z

Update Type

Normal release

Delta update - requires 16.4 installed first.

Download OTA

Looking for beta firmware? View beta builds for HomePod →

About This Update

audioOS 9.9.17.4 (build 21L227) is an official Apple over-the-air update for the HomePod, released on 2024-03-07T18:16:23Z. The update package is 1.17 GB. This is a delta (partial) update that requires 16.4 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 b2ac38d58f547b582f7e03700826d412a532af78.zip.

Direct URL

https://updates.cdn-apple.com/2024WinterFCS/patches/052-45222/28AAB063-EE25-46E5-A91F-5D0579CA9FB3/com_apple_MobileAsset_SoftwareUpdate/b2ac38d58f547b582f7e03700826d412a532af78.zip

Filename

b2ac38d58f547b582f7e03700826d412a532af78.zip

Other Devices

HomePod mini

AudioAccessory5,1

HomePod (Unknown Model)

AudioAccessory1,2

HomePod (2nd generation)

AudioAccessory6,1