audioOS 9.9.18.4.1

audioOS

Version

9.9.18.4.1

Build ID

22L261

File Size

1.22 GB

Release Date

2025-04-16T17:28:48Z

Update Type

Normal release

Delta update - requires 17.6 installed first.

Download OTA

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

About This Update

audioOS 9.9.18.4.1 (build 22L261) is an official Apple over-the-air update for the HomePod (2nd generation), released on 2025-04-16T17:28:48Z. The update package is 1.22 GB. This is a delta (partial) update that requires 17.6 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 3106bd6f691e40f9bc67dc3185e6ca323b2422f4913a5be4288ab5c7ff1edc83.aea.

Direct URL

https://updates.cdn-apple.com/2025WinterFCS/mobileassets/082-18629/7955EB7E-718D-4E6D-9EAD-D974B4732205/com_apple_MobileAsset_SoftwareUpdate/3106bd6f691e40f9bc67dc3185e6ca323b2422f4913a5be4288ab5c7ff1edc83.aea

Filename

3106bd6f691e40f9bc67dc3185e6ca323b2422f4913a5be4288ab5c7ff1edc83.aea

Other Devices

HomePod (Unknown Model)