Download iOS 6.1.4

iOS 6.1.4 (5 GSM): http://appldnld.apple.com/iOS6.1/091-3403.20130502.Xerz1/iPhone5,1_6.1.4_10B350_Restore.ipsw
iOS 6.1.4 (5 GSM+CDMA): http://appldnld.apple.com/iOS6.1/091-3423.20130502.Tr3Lz/iPhone5,2_6.1.4_10B350_Restore.ipsw