iPhone 4 (GSM) · iPhone3,1

iPhone 4 (GSM) · iOS 4.3.4

8K2Unsigned

Catalog data · Last updated: Oct 22, 2026, 4:15 AM UTC

Restore IPSW for iPhone 4 (GSM): iOS 4.3.4, build 8K2.

Firmware information

Version: iOS 4.3.4
Build: 8K2
IPSW: Restore IPSW
Size: 0.65 GB
Release date: Not available
File name: iPhone3,1_4.3.4_8K2_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_4.3.4_8K2_Restore.ipsw

The catalog marks this build as unsigned. A normal restore may not be accepted.

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-11ca27961d4ccaf541d45763f19eeb441f985b393

MD5c6862a24f9166c313043459013159194