FIRMWARE DETAILS

HomePod Software 17.4

Build: 21L227Mar 7, 2024Restore IPSW

Stable

View details

Filename: AudioAccessory5,1_17.4_21L227_Restore.ipsw
File size: 3.44 GB
File type: Restore IPSW
Download host: updates.cdn-apple.com
Link availability: Not verified
Source did not report availability
Last link check: Not checked
SHA-256: 161a8cc261bfce69b8b3c3e3b4feff70fad5f5b50ff74101ab89b0e4715b18d3
SHA-1: 1fa2ba6eec63de448a76e033fc028c9025ba1dd2
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (2)

HomePod mini AudioAccessory5,1 · AudioAccessorySingle5,1IPSW.me v4 third-party restore observation (retrieval time) · Oct 19, 2026, 10:59 PM UTC

Unknown

HomePod mini (China Mainland) AudioAccessory5,1IPSW.me v4 third-party restore observation (retrieval time) · Oct 19, 2026, 10:59 PM UTC

Unknown

Signing is specific to the device and file. A signed build does not guarantee a downgrade or successful installation.

Source provenance

IPSW.mehttps://api.ipsw.me/v4/device/AudioAccessory5%2C1?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:18 PM UTC
Record fingerprint: fd0566df33f706597cf63d8baec52c18