FIRMWARE DETAILS

iOS 18.3.1

Build: 22D72Feb 10, 2025Restore IPSW

Stable

View details

Filename: iPhone13,4_18.3.1_22D72_Restore.ipsw
File size: 8.80 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: 239198d8681812ebf38c1d4870bf46679f534f750b7a4b32719f3bb0cf27182b
SHA-1: a6323558f9a48b737b93ba995a194644b0b755d8
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 12 Pro Max iPhone13,4IPSW.me public API retrieval · Oct 21, 2026, 3:29 PM UTC

Unsigned

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/iPhone13%2C4?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 572896ca0989acff275e02b2b304b481

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

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