iPhone 3GS · iPhone2,1

iPhone 3GS · iOS 4.3.3

8J2Unsigned

Catalog data · Last updated: Oct 21, 2026, 8:28 PM UTC

Restore IPSW for iPhone 3GS: iOS 4.3.3, build 8J2.

Firmware information

Version: iOS 4.3.3
Build: 8J2
IPSW: Restore IPSW
Size: 0.41 GB
Release date: Not available
File name: iPhone2,1_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.comiPhone2,1_4.3.3_8J2_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-25638ed94c64f09b2f655e6485e8d99d80e39deb05d041ed13149c8cff46d8473be

SHA-1027aaf90744076551a93a7f78e9aae2c740f3b40

MD5d9a02961311ffac8197e8db3b48e449d