iPhone 14 Pro · iPhone15,2

iPhone 14 Pro · iOS 17.2.1

21C66Unsigned

Catalog data · Last updated: Oct 24, 2026, 10:39 AM UTC

Restore IPSW for iPhone 14 Pro: iOS 17.2.1, build 21C66.

Firmware information

Version: iOS 17.2.1
Build: 21C66
IPSW: Restore IPSW
Size: 7.38 GB
Release date: Dec 19, 2023, 7:27 PM UTC
File name: iPhone15,2_17.2.1_21C66_Restore.ipsw
Download host: updates.cdn-apple.com

IPSW download

Check the model and signing status before downloading.

Download IPSW

Download hostupdates.cdn-apple.comiPhone15,2_17.2.1_21C66_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-256567b36bf273186adcc60f2d2bd464f9e2b8f8661e9a6069ae9aefd24fb301a1f

SHA-1930153a2febf291464bf457804808789b3311a70

MD50aad215e58b473e20b99a45d4f1dfa55