iPhone 4 (GSM) · iPhone3,1

iPhone 4 (GSM) · iOS 4.3.3

8J2Unsigned

Catalog data · Last updated: Oct 22, 2026, 9:33 PM UTC

Restore IPSW for iPhone 4 (GSM): iOS 4.3.3, build 8J2.

Firmware information

Version: iOS 4.3.3
Build: 8J2
IPSW: Restore IPSW
Size: 0.65 GB
Release date: Not available
File name: iPhone3,1_4.3.3_8J2_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_4.3.3_8J2_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-17dcfd428d08e089f41ceb984ad0ce57d374fde04

MD5a0cb7313c5535991d62890c7eef60f9a