FIRMWARE DETAILS

HomePod Software 17.0

Build: 21J354Sep 18, 2023Restore IPSW

Stable

View details

Filename: AudioAccessory5,1_17.0_21J354_Restore.ipsw
File size: 3.33 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: 3e3df07009a792003e0de8f7f61d192318059e2d32a29113481a0c21a0436b7d
SHA-1: 1d24741f596df986b628202055d9f9901f36edfd
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: b15ce778da6005bb97edba2a1051a762