FIRMWARE DETAILS

HomePod Software 15.4

Build: 19L440Mar 14, 2022Restore IPSW

Stable

View details

Filename: AudioAccessory5,1_15.4_19L440_Restore.ipsw
File size: 2.66 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: 619646995526341c113c63de56d5c06bb99d6ddef4c78bd8d4b211ac776aa32b
SHA-1: f9671e539a3caa3e74d621b004fe2da8e7aae424
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: fa6d280358928c3fc7645601a038ea60