FIRMWARE DETAILS

iOS 18.3.1

Build: 22D72Feb 10, 2025Restore IPSW

Stable

View details

Filename: iPhone17,4_18.3.1_22D72_Restore.ipsw
File size: 9.40 GB
File type: Restore IPSW
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: 852ea7b53367123c03391a8352b0ed099f35b8fe27982cc4c2a41797fea1a4df
SHA-1: 8177893b06863d32be0dda42c913390d137c7eac
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 16 Plus iPhone17,4IPSW.me public API retrieval · Oct 23, 2026, 11:53 AM UTC

Unsigned

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

Source provenance

AppleDBhttps://api.appledb.dev/ios/iOS%3B22D72.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:27 PM UTC
Record fingerprint: 3aa1b12ab32d61552bc2075797d3a0f8

IPSW.mehttps://api.ipsw.me/v4/device/iPhone17%2C4?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 95cdafd4647e33e79cb7973e1e34ae8d