iPhone 13 Pro Max · iPhone14,3

iPhone 13 Pro Max · iOS 15.3.1

19D52Unsigned

Catalog data · Last updated: Oct 23, 2026, 1:06 PM UTC

Restore IPSW for iPhone 13 Pro Max: iOS 15.3.1, build 19D52.

Firmware information

Version: iOS 15.3.1
Build: 19D52
IPSW: Restore IPSW
Size: 6.2 GB
Release date: Feb 10, 2022, 7:12 PM UTC
File name: iPhone14,3_15.3.1_19D52_Restore.ipsw
Download host: updates.cdn-apple.com

IPSW download

Check the model and signing status before downloading.

Download IPSW

Download hostupdates.cdn-apple.comiPhone14,3_15.3.1_19D52_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-2567b2ee10e6a2331d8805162c479dc04e7f920b570670a1416ea88788c3bcf2eae

SHA-1eff9521dd5f5193babb37886749a950b56153e7d

MD5f849922f76fdd16ca43b98211f3f5a67