FIRMWARE DETAILS

HomePod Software 18.3

Build: 22K557Jan 27, 2025Restore IPSW

Stable

View details

Filename: AudioAccessory5,1_18.3_22K557_Restore.ipsw
File size: 3.73 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: f0828b8d4322ad9f9b67057de10578da3bbfcc8cce6af1ebdb0a5dcdd6948d87
SHA-1: 7ae63babc49f69875e45ef07b3e15731a151437a
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: c2858ef3855d0b109e6a641de630d48a