iPhone 15 · iPhone15,4

iPhone 15 · iOS 18.3.1

22D72Unsigned

Catalog data · Last updated: Oct 24, 2026, 5:09 AM UTC

Restore IPSW for iPhone 15: iOS 18.3.1, build 22D72.

Firmware information

Version: iOS 18.3.1
Build: 22D72
IPSW: Restore IPSW
Size: 8.31 GB
Release date: Feb 10, 2025, 6:32 PM UTC
File name: iPhone15,4_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.comiPhone15,4_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-256efea57a547e0377dd7bf0071a47339887ea996916c28a5b0795758c6cf2d649b

SHA-1387fa8b52e811e7ca77ab3ca0c73aa5fc1a98caa

MD53ad64302ebeb3dac92c70d5e73eae14a