HomePod mini · AudioAccessory5,1

HomePod mini · audioOS 17.4

21L227Unsigned

Catalog data · Last updated: Oct 23, 2026, 7:03 AM UTC

Restore IPSW for HomePod mini: audioOS 17.4, build 21L227.

Firmware information

Version: audioOS 17.4
Build: 21L227
IPSW: Restore IPSW
Size: 3.2 GB
Release date: Mar 7, 2024, 7:05 PM UTC
File name: AudioAccessory5,1_17.4_21L227_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_17.4_21L227_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-256161a8cc261bfce69b8b3c3e3b4feff70fad5f5b50ff74101ab89b0e4715b18d3

SHA-11fa2ba6eec63de448a76e033fc028c9025ba1dd2

MD5b2fd69062dba82fda0313c34cd0399ef