How to Upgrade Your iPhone 4, 3GS Without Updating the Baseband (Mac)

How to Upgrade Your iPhone 4, 3GS Without Updating the Baseband (Mac)

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al - January 28, 2013 at 4:12am
i have an iphone 4 and i follow the instruction but i am stuck in DFU mode, can someone help?!!
al - January 28, 2013 at 4:13am
I know how to get out of the DFU mode, I just need to know why the update is not working....