iPhone 4 (GSM) · iPhone3,1

iPhone 4 (GSM) · iOS 5.1.1

9B206Unsigned

Catalog data · Last updated: Oct 21, 2026, 7:13 PM UTC

Restore IPSW for iPhone 4 (GSM): iOS 5.1.1, build 9B206.

Firmware information

Version: iOS 5.1.1
Build: 9B206
IPSW: Restore IPSW
Size: 0.77 GB
Release date: Not available
File name: iPhone3,1_5.1.1_9B206_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_5.1.1_9B206_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-1ee79420677fd12d1f11181ddb1e775f64d426a7c

MD5a4f25b2af99580f1e69c8277d0208237