HomePod mini · AudioAccessory5,1

HomePod mini · audioOS 17.3

21K646Unsigned

Catalog data · Last updated: Oct 23, 2026, 11:21 PM UTC

Restore IPSW for HomePod mini: audioOS 17.3, build 21K646.

Firmware information

Version: audioOS 17.3
Build: 21K646
IPSW: Restore IPSW
Size: 3.15 GB
Release date: Jan 22, 2024, 6:59 PM UTC
File name: AudioAccessory5,1_17.3_21K646_Restore.ipsw
Download host: updates.cdn-apple.com

IPSW download

Check the model and signing status before downloading.

Download IPSW

Download hostupdates.cdn-apple.comAudioAccessory5,1_17.3_21K646_Restore.ipsw

Back up before you restore. A restore can erase the data on the device. The identifier has to match, and a file you can download may still be rejected for restore. Download only when the model name and identifier match the device you have.

Checksum

SHA-2563bee905952860ffb20ff6dcd2fe5075ff8b83271e042a9a737e06b74ccd37dba

SHA-1e37fff9792dbae2bea0b6fccad5920c93702d4d3

MD589988fa51ab7c05e517c628d4d608666