audioOS 9.9.18.4.1

audioOS

Version

9.9.18.4.1

Build ID

22L261

File Size

1.88 GB

Release Date

2025-04-16T17:28:28Z

Update Type

Normal release

Delta update - requires 14.5 installed first.

Download OTA

Looking for beta firmware? View beta builds for HomePod →

About This Update

audioOS 9.9.18.4.1 (build 22L261) is an official Apple over-the-air update for the HomePod, released on 2025-04-16T17:28:28Z. The update package is 1.88 GB. This is a delta (partial) update that requires 14.5 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 3a23055c9e66d3bbc6d0b8c4916db8f2398ffcf1.zip.

Direct URL

https://updates.cdn-apple.com/2025WinterFCS/patches/082-18872/CE0E65EC-CC34-463C-9CEF-B9139DCDF847/com_apple_MobileAsset_SoftwareUpdate/3a23055c9e66d3bbc6d0b8c4916db8f2398ffcf1.zip

Filename

3a23055c9e66d3bbc6d0b8c4916db8f2398ffcf1.zip

Other Devices

HomePod (2nd generation)

AudioAccessory6,1

HomePod mini

AudioAccessory5,1

HomePod (Unknown Model)

AudioAccessory1,2