http://appldnld.apple.com/iOS5/041-1537.20120307.EJrm4/iPhone3,1_5.1_9B176_Restore.ipsw

http://appldnld.apple.com/iOS5/041-1530.20120307.LDDac/iPhone4,1_5.1_9B179_Restore.ipsw

http://appldnld.apple.com/iOS5/041-1542.20120307.Jyknq/iPod4,1_5.1_9B176_Restore.ipsw

http://appldnld.apple.com/iOS5/041-1547.20120307.KerHy/iPod3,1_5.1_9B176_Restore.ipsw

http://appldnld.apple.com/iOS5/041-1535.20120307.Jer6N/iPhone2,1_5.1_9B176_Restore.ipsw