audioOS 9.9.18.5

audioOS

Version

9.9.18.5

Build ID

22L572

File Size

802.14 MB

Release Date

2025-05-12T17:13:28Z

Update Type

Normal release

Delta update - requires 18.2 installed first.

Download OTA

Looking for beta firmware? View beta builds for HomePod →

About This Update

audioOS 9.9.18.5 (build 22L572) is an official Apple over-the-air update for the HomePod, released on 2025-05-12T17:13:28Z. The update package is 802.14 MB. This is a delta (partial) update that requires 18.2 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 57c762671f6fe6c9bc755bc2bd3a18e9e4fc169f.zip.

Direct URL

https://updates.cdn-apple.com/2025SpringFCS/patches/082-43138/3E8FF495-C094-41D1-A5FD-9687ED62B54D/com_apple_MobileAsset_SoftwareUpdate/57c762671f6fe6c9bc755bc2bd3a18e9e4fc169f.zip

Filename

57c762671f6fe6c9bc755bc2bd3a18e9e4fc169f.zip

Other Devices

HomePod (Unknown Model)

AudioAccessory1,2

HomePod (2nd generation)

AudioAccessory6,1

HomePod mini

AudioAccessory5,1