Step One

Create a folder called Pwnage on your desktop.

Download the following files and place them in the Pwnage folder you just created:

- RedSn0w

- BL 3.9

- BL 4.6

- 3.0.0 (2G): iPhone1,1_3.0_7A341_Restore.ipsw

Extract the RedSn0w zip file to the Pwnage folder.

Step Two

Connect your iPhone to the computer and launch iTunes.

Select your iPhone from the list of devices on the left. Now hold down shift and click the Restore button. Restore is preferred as it won’t create any wasted space on your iPhone.

Navigate to the Pwnage folder on your desktop and select the firmware ipsw. Click the Open button to continue.

Step Three

Once iTunes has finished updating your iPhone to the desired firmware you may launch redsnw0w.exe from the Pwnage folder on your desktop.

Step Four

Once RedSn0w opens click the Browse button

Step Five

Select the firmware ipsw we placed in the Pwnage folder on our desktop then click Open

Step Six

Once the firmware has been verified click the Next button to continue.

Step Seven

Make sure Cydia and Unlock is selected and click the Next button.

Step Eight

We will know need to set the location of our bootloader files.

Click Browse and select the 3.9 bootloader file from the Pwnage folder on your desktop.

Click Browse and select the 4.6 bootloader file from the Pwnage folder on your desktop.

Click the Next button to continue.

Step Nine

Please plug your iPhone into the computer and make sure its OFF then click the Next button

Step Ten

RedSn0w will now guide you through the steps to get into DFU mode.

Hold down both the Home button and the Power button for 10 seconds.

Release the Power button and continue holding the Home button until RedSn0w detects the device.

Step Eleven

Your iPhone will now reboot

Step Twelve

RedSn0w will then begin uploading the new RAM Disk.

Step Thirteen

Once this is complete you will be notified that RedSn0w is done. Click the Finish button.

When your iPhone finishes reboot (5 minutes or so). It will run BootNeuter then be unlocked and jailbroken with Cydia on the SpringBoard.

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Pasted from <http://www.iclarified.com/entry/index.php?enid=4302>