iPhone XR · iPhone11,8

iPhone XR · iOS 17.5

21F79Unsigned

Catalog data · Last updated: Oct 24, 2026, 9:54 AM UTC

Restore IPSW for iPhone XR: iOS 17.5, build 21F79.

Firmware information

Version: iOS 17.5
Build: 21F79
IPSW: Restore IPSW
Size: 7.1 GB
Release date: May 13, 2024, 6:05 PM UTC
File name: iPhone11,8_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.comiPhone11,8_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-2566b1946ad1f10e21007236eae34cd11009034b9d5c5c30068c5bf841fc8843b55

SHA-16eb50b734d73dc8821e3c7815539184e2c3f5201

MD5a3478995efdcb30970b62d0629691afc