Downgrade ios 6.1.3 to ios 6.1.2,6.1,6.0.1,6.0,5.1.1 without shsh blobs

only works on iphone 3gs,iphone 3g,iphone,ipod touch 3g,2g,1g<br />download: http://www.filecenter.eu/?p=55<br />Or @muffenboy2003