iPhone 12 Pro Max · iPhone13,4

iPhone 12 Pro Max · iOS 18.3.1

22D72Unsigned

Catalog data · Last updated: Oct 23, 2026, 4:52 PM UTC

Restore IPSW for iPhone 12 Pro Max: iOS 18.3.1, build 22D72.

Firmware information

Version: iOS 18.3.1
Build: 22D72
IPSW: Restore IPSW
Size: 8.2 GB
Release date: Feb 10, 2025, 6:32 PM UTC
File name: iPhone13,4_18.3.1_22D72_Restore.ipsw
Download host: updates.cdn-apple.com

IPSW download

Check the model and signing status before downloading.

Download IPSW

Download hostupdates.cdn-apple.comiPhone13,4_18.3.1_22D72_Restore.ipsw

Back up before you restore. A restore can erase the data on the device. The identifier has to match, and a file you can download may still be rejected for restore.

Checksum

SHA-256239198d8681812ebf38c1d4870bf46679f534f750b7a4b32719f3bb0cf27182b

SHA-1a6323558f9a48b737b93ba995a194644b0b755d8

MD574bf2250b4da03278b5cdb514f562ba7