iPhone 4 (GSM) · iPhone3,1

iPhone 4 (GSM) · iOS 4.3.1

8G4Unsigned

Catalog data · Last updated: Oct 23, 2026, 12:51 PM UTC

Restore IPSW for iPhone 4 (GSM): iOS 4.3.1, build 8G4.

Firmware information

Version: iOS 4.3.1
Build: 8G4
IPSW: Restore IPSW
Size: 0.65 GB
Release date: Not available
File name: iPhone3,1_4.3.1_8G4_Restore.ipsw
Download host: secure-appldnld.apple.com

IPSW download

Check the model and signing status before downloading.

Download IPSW

Download hostsecure-appldnld.apple.comiPhone3,1_4.3.1_8G4_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-125b6235a35f8d0d41bcf8750193f8b43ceff1ca1

MD532f9a71430c4dd025adab3b73d4a5242