audioOS 9.9.18.5

audioOS

Version

9.9.18.5

Build ID

22L572

File Size

832 MB

Release Date

2025-05-12T17:13:46Z

Update Type

Normal release

Delta update - requires 18.2 installed first.

Download OTA

Looking for beta firmware? View beta builds for HomePod (2nd generation) →

About This Update

audioOS 9.9.18.5 (build 22L572) is an official Apple over-the-air update for the HomePod (2nd generation), released on 2025-05-12T17:13:46Z. The update package is 832 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 currently signed by Apple, so it can be applied directly from Settings › General › Software Update.

The OTA payload file is 99d9c57c19ef4ae851cce6a35183719c7e0d5152b5e2a6e728f6e30daa3ed5a9.aea.

Direct URL

https://updates.cdn-apple.com/2025SpringFCS/mobileassets/082-43144/53BA620F-BD5E-4727-8754-D7C5F82A73E4/com_apple_MobileAsset_SoftwareUpdate/99d9c57c19ef4ae851cce6a35183719c7e0d5152b5e2a6e728f6e30daa3ed5a9.aea

Filename

99d9c57c19ef4ae851cce6a35183719c7e0d5152b5e2a6e728f6e30daa3ed5a9.aea

Other Devices

HomePod (Unknown Model)

AudioAccessory1,2