audioOS 9.9.17.4

audioOS

Version

9.9.17.4

Build ID

21L227

File Size

1.58 GB

Release Date

2024-03-07T18:16:18Z

Update Type

Normal release

Delta update - requires 15.1.1 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 2024-03-07T18:16:18Z. The update package is 1.58 GB. This is a delta (partial) update that requires 15.1.1 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 309ceb6357cc42fae6b9a21ccb0fc8ec84853070.zip.

Direct URL

https://updates.cdn-apple.com/2024WinterFCS/patches/052-45119/557AFCA4-4376-4ED7-88D3-F8A7DE86E185/com_apple_MobileAsset_SoftwareUpdate/309ceb6357cc42fae6b9a21ccb0fc8ec84853070.zip

Filename

309ceb6357cc42fae6b9a21ccb0fc8ec84853070.zip

Other Devices

HomePod mini

AudioAccessory5,1

HomePod (2nd generation)

AudioAccessory6,1

HomePod (Unknown Model)

AudioAccessory1,2