Need help downgrading to iOS 4.1

If you want to get to 4.1 , you can restore to custom firmware .
Make sure you have updated you itunes first.
There are two ways to get to it.

First :
Use Pwnage tools 4.1.2 for Mac to create a custom firmware of 4.1, you will need the stock 4.1 fw to do that.
Run Redsn0w 0.9.6b2 and browsw to Stock 4.1 ipsw.
Check the box : DFU mode only.
Perform the steps till you see a message DFU done.
Open up Itunes : Shift + Restore to custom fw of 4.1

Second :
Use Snowbreeze 2.1 to create a custom firmware of 4.1
Run Ireb 4.1 Release 2 and select your device type.
Follow the instructions and you will arrive at DFU mode.
Now Open up itunes : Shift + Restore to the Snowbreeze_4.1.ipsw which you have created earlier.

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