iPhone 12 Pro Max · iPhone13,4

iPhone 12 Pro Max · iOS 17.5

21F79Unsigned

Catalog data · Last updated: Oct 23, 2026, 8:35 AM UTC

Restore IPSW for iPhone 12 Pro Max: iOS 17.5, build 21F79.

Firmware information

Version: iOS 17.5
Build: 21F79
IPSW: Restore IPSW
Size: 7.42 GB
Release date: May 13, 2024, 6:05 PM UTC
File name: iPhone13,4_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.comiPhone13,4_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-256274b9faa1a653eb0184260b38751f731a7a44555c8a77119f13836f4406a5c4b

SHA-12c4b226841978633ed040689d08729be6c4482f7

MD504641e25dc53f7d0ad0c24b2e2212147