iPhone 3GS · iPhone2,1

iPhone 3GS · iOS 3.1.2

7D11Unsigned

Catalog data · Last updated: Oct 23, 2026, 9:23 PM UTC

Restore IPSW for iPhone 3GS: iOS 3.1.2, build 7D11.

Firmware information

Version: iOS 3.1.2
Build: 7D11
IPSW: Restore IPSW
Size: 0.3 GB
Release date: Not available
File name: iPhone2,1_3.1.2_7D11_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_3.1.2_7D11_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-2569cc27dab2eba25d15d3eb852244ae48d47b07eda28dee77a510c7b4f01850ea2

SHA-16998bb7d9e869b2d89a08853312f9457d070fb1f

MD5089769d37b846917394ffe11da9d2e17