HomePod (2nd generation)
AudioAccessory6,1
22K557
audioOS 9.9.18.3
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About This Update
audioOS 9.9.18.3
(build 22K557) is an official Apple
over-the-air update for the HomePod (2nd generation),
released on 2025-01-27T18:19:50Z.
The update package is 1.5 GB.
This is a delta (partial) update that requires
16.4 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 bc09502d89a8ce581ed79b58bd41ed52834f0b3574efc1bfa49d8c628d72c47b.aea.
Direct URL
https://updates.cdn-apple.com/2025WinterFCS/mobileassets/072-52504/BEE79282-5B5B-498B-8E90-0703E5DBC466/com_apple_MobileAsset_SoftwareUpdate/bc09502d89a8ce581ed79b58bd41ed52834f0b3574efc1bfa49d8c628d72c47b.aea
Filename
bc09502d89a8ce581ed79b58bd41ed52834f0b3574efc1bfa49d8c628d72c47b.aea
Other Devices
