iPhone 3GS · iPhone2,1

iPhone 3GS · iOS 5.1.1

9B206Unsigned

Catalog data · Last updated: Oct 21, 2026, 4:57 PM UTC

Restore IPSW for iPhone 3GS: iOS 5.1.1, build 9B206.

Firmware information

Version: iOS 5.1.1
Build: 9B206
IPSW: Restore IPSW
Size: 0.67 GB
Release date: Not available
File name: iPhone2,1_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.comiPhone2,1_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-25603962930616fa22eae1e4f96b751ee7ff70b6b0f29bdaeae2743096a7a9455f0

SHA-12a35ac00cd00c4bc499a971391b99471bf2fdd05

MD538312b9d4da5decce7e6a4f042ac9472