iOS 6.1.3 Jailbreak Untethered Download br Apple Software Update iOS 6.1.3 Compatibility: br br iPhone 5 GSM br iPhone 5 CDMA br iPhone 4S br iPhone 4 GSM br iPhone 4 CDMA br iPhone 3GS br iPad mini (GSM, CDMA, Wi-Fi) br iPad 4th-generation (GSM, CDMA, Wi-Fi) br iPad 3rd-generation (GSM, CDMA, Wi-Fi) br iPad 2 (GSM, CDMA, Wi-Fi) br iPod touch 4th-generation br iPod touch 5th-generation br br New iOS 6.1.