iPhone 3G · iPhone1,2

iPhone 3G · iOS 3.1

7C144Unsigned

Catalog data · Last updated: Oct 23, 2026, 8:07 PM UTC

Restore IPSW for iPhone 3G: iOS 3.1, build 7C144.

Firmware information

Version: iOS 3.1
Build: 7C144
IPSW: Restore IPSW
Size: 0.24 GB
Release date: Not available
File name: iPhone1,2_3.1_7C144_Restore.ipsw
Download host: secure-appldnld.apple.com

IPSW download

Check the model and signing status before downloading.

Download IPSW

Download hostsecure-appldnld.apple.comiPhone1,2_3.1_7C144_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-2562d063a6d34c0c5d694ad834f77281a0fcfa42a2e3d9979c619243583082549bb

SHA-19b3b3c148170b012012278efda9ff5c38282d559

MD552af8da5471daf48532031e751501f03