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How To Downgrade iOS 4 : iPhone 3GS

6:46 AM  Admin  



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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