Download iOS Firmware 3.1.3 (7E18) for iPhone 3GS

    • iPhone2,1_3.1.3_7E18_Restore.ipsw
    • 290.99 MB
    • iPhone 3GS
    • 5,531 times
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* All iOS firmware files are hosted with Apple Inc. official servers and third party hosting services. We do not provide mirrors or hosting these files locally.