3. Click on the desired firmware version to start the download Downloads Links for iPod touch 4 iPod4,1 VERSION RELEASE DATE RELEASE DATE SIZE SIZE STATUS iOS 6.1.6 (10B500) RELEASE DATE 21/02/2014 SIZE 889 MB Signed iOS 6.1.5 (10B400) RELEASE DATE 15/11/2013 SIZE 889 MB Unigned Old unsigned iOS versions will be added later.