iPhone 7 (GSM) · iPhone9,3

iPhone 7 (GSM) · iOS 14.3

18C66Unsigned

Catalog data · Last updated: Oct 24, 2026, 6:54 AM UTC

Restore IPSW for iPhone 7 (GSM): iOS 14.3, build 18C66.

Firmware information

Version: iOS 14.3
Build: 18C66
IPSW: Restore IPSW
Size: 4.63 GB
Release date: Dec 14, 2020, 5:59 PM UTC
File name: iPhone_4.7_P3_14.3_18C66_Restore.ipsw
Download host: updates.cdn-apple.com

IPSW download

Check the model and signing status before downloading.

Download IPSW

Download hostupdates.cdn-apple.comiPhone_4.7_P3_14.3_18C66_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-256a8702c225c19c18c510eed606f60b8423c222a4bfd5753494404639d94778767

SHA-14767bfce4d0a1b1d76ed28c77efa4216829e8dfd

MD528b80d8c8de19e9c138c802f475375a6