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iOS 4.2.1 iPad
iPad1,1_4.2.1_8C148_Restore.ipsw
iOS 4.2.1 iPhone 4
iPhone3,1_4.2.1_8C148_Restore.ipsw
iOS 4.2.1 iPhone 3Gs
iPhone2,1_4.2.1_8C148a_Restore.ipsw
iOS 4.2.1 iPhone 3G
iPhone1,2_4.2.1_8C148_Restore.ipsw
iOS 4.2.1 Ipod Touch 4G
iPod4,1_4.2.1_8C148_Restore.ipsw
iOS 4.2.1 iPod Touch 3G
iPod3,1_4.2.1_8C148_Restore.ipsw
iOS 4.2.1 iPod Touch 2G
iPod2,1_4.2.1_8C148_Restore.ipsw