How to downgrade iPhone 4S / iPad 2 to iOS 6.1.3

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How to downgrade iPhone 4S / iPad 2 to iOS 6.1.3, Download custom firmware.: crwdns2935265:00crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

Download custom firmware.

Download the corresponding custom firmware for your iDevice; http://www.3u.com/tutorial/articles/4207...

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