audioOS 9.9.18.4

audioOS

Version

9.9.18.4

Build ID

22L255

File Size

1.28 GB

Release Date

2025-03-31T17:29:48Z

Update Type

Normal release

Delta update - requires 17.1 installed first.

Download OTA

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

About This Update

audioOS 9.9.18.4 (build 22L255) is an official Apple over-the-air update for the HomePod (2nd generation), released on 2025-03-31T17:29:48Z. The update package is 1.28 GB. This is a delta (partial) update that requires 17.1 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 5c4c15ee210bf5c9750642bfd63ec8c8f81eb995ed501b33ffec14dc34ffdbe5.aea.

Direct URL

https://updates.cdn-apple.com/2025WinterFCS/mobileassets/082-16185/9E1DC3D2-FE82-44B5-B6C6-83E57D7E570C/com_apple_MobileAsset_SoftwareUpdate/5c4c15ee210bf5c9750642bfd63ec8c8f81eb995ed501b33ffec14dc34ffdbe5.aea

Filename

5c4c15ee210bf5c9750642bfd63ec8c8f81eb995ed501b33ffec14dc34ffdbe5.aea

Other Devices

HomePod (Unknown Model)