3. Click on the desired firmware version to start the download Downloads Links for iPad 1 iPad1,1 VERSION RELEASE DATE RELEASE DATE SIZE SIZE STATUS iOS 5.1.1 (9B206) RELEASE DATE 27/04/2012 SIZE 761 MB Signed iOS 5.1 (9B176) RELEASE DATE 29/02/2012 SIZE 761 MB Unigned Old unsigned iOS versions will be added later.