iPhone 3GS · iPhone2,1

iPhone 3GS · iOS 3.1

7C144Unsigned

Catalog data · Last updated: Oct 23, 2026, 12:36 PM UTC

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

Firmware information

Version: iOS 3.1
Build: 7C144
IPSW: Restore IPSW
Size: 0.3 GB
Release date: Not available
File name: iPhone2,1_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.comiPhone2,1_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-122523fd3fa180526638df7084b46cc0dd726b68d

MD538638d6056b53f2d87a0f5fcb5584cdd