audioOS 9.9.18.4

audioOS

Version

9.9.18.4

Build ID

22L255

File Size

801.07 MB

Release Date

2025-03-31T17:29:45Z

Update Type

Normal release

Delta update - requires 18.3 installed first.

Download OTA

Looking for beta firmware? View beta builds for HomePod mini →

About This Update

audioOS 9.9.18.4 (build 22L255) is an official Apple over-the-air update for the HomePod mini, released on 2025-03-31T17:29:45Z. The update package is 801.07 MB. This is a delta (partial) update that requires 18.3 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 7ca1b0fe929ab0e3831d89b76e7cb12f995162b3.zip.

Direct URL

https://updates.cdn-apple.com/2025WinterFCS/patches/082-16279/A5141F41-FEAC-460C-B758-B5760B5C21DF/com_apple_MobileAsset_SoftwareUpdate/7ca1b0fe929ab0e3831d89b76e7cb12f995162b3.zip

Filename

7ca1b0fe929ab0e3831d89b76e7cb12f995162b3.zip

Other Devices

HomePod

AudioAccessory1,1

HomePod (2nd generation)

AudioAccessory6,1

HomePod (Unknown Model)

AudioAccessory1,2