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Saturday, July 3, 2010

How To Downgrade iOS 4 : iPhone 3GS




Downgrade 3GS to 3.1.2 on a Mac
Downgrade 3GS to 3.1.2 on Windows



3.1.2 Firmware (Official Apple Links)
Download iPhone OS 3.1.2 for iPhone 2G 
Download iPhone OS 3.1.2 for iPhone 3G 
Download iPhone OS 3.1.2 for iPhone 3GS


3.1.3 Firmware (Official Apple Links) - Only use these if you do not have 3.1.2 on file.
Download iPhone 3.1.3 firmware for iPhone 2G 
Download iPhone 3.1.3 firmware for iPhone 3G 
Download iPhone 3.1.3 firmware for iPhone 3GS


Utilities
iReb for Windows (Mac Soon)
iRecovery (Mac & windows)

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