iPhone 14 Pro Max · iPhone15,3

iPhone 14 Pro Max · iOS 17.5

21F79Unsigned

Catalog data · Last updated: Oct 23, 2026, 9:53 PM UTC

Restore IPSW for iPhone 14 Pro Max: iOS 17.5, build 21F79.

Firmware information

Version: iOS 17.5
Build: 21F79
IPSW: Restore IPSW
Size: 7.53 GB
Release date: May 13, 2024, 6:05 PM UTC
File name: iPhone15,3_17.5_21F79_Restore.ipsw
Download host: updates.cdn-apple.com

IPSW download

Check the model and signing status before downloading.

Download IPSW

Download hostupdates.cdn-apple.comiPhone15,3_17.5_21F79_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-25608c040abf705b4f3be21da6dc738785173c7cb455484cdde3d7621f3583f8373

SHA-15ee7786113db367399e8e828741e193847181032

MD5261845739679c9f7fad0b2e5a4beef3d