Download audioOS 15.4 Build 19L440 IPSW Firmware Restore Files

Download the IPSW audioOS 15.4 (Build 19L440) firmware file released at 14 March 2022 intended to restore HomePod mini via iTunes. IPSW audioOS 15.4 build 19L440 is unsigned by Apple to update Apple device software.

Download audioOS 15.4 19L440 IPSW Recovery Firmware file for HomePod mini

Upload Date	14 March 2022
Filesize	2.48 GB
Identifier	AudioAccessory5,1

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