3. Click on the desired firmware version to start the download Downloads Links for iPhone 3GS iPhone2,1 VERSION RELEASE DATE RELEASE DATE SIZE SIZE STATUS iOS 6.1.6 (10B500) RELEASE DATE 21/02/2014 SIZE 823 MB Signed iOS 4.1 (8B117) RELEASE DATE 03/09/2010 SIZE 401 MB Signed iOS 6.1.3 (10B329) RELEASE DATE 13/03/2013 SIZE 823 MB Unigned Old unsigned iOS versions will be added later.
