How to Unlock/Jailbreak Your iPhone 2G on iOS 3.1.2 and iOS 3.1.3 Using RedSn0w (Windows)

These are instructions on how to unlock and jailbreak your iPhone 2G on iOS 3.1.2 & iOS 3.1.3 using RedSn0w for Windows.

You can find the Mac version of this tutorial here. If you have an iPhone 3G click here, if you have and iPhone 3GS click here

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 0.9.4

- BL 3.9

- BL 4.6

- 3.1.2 (2G): iPhone1,1_3.1.2_7D11_Restore.ipsw

if you want to jailbreak iOS 3.1.3 then download the below firmware :

-3.1.3 (2G): iPhone1,1_3.1.3_7E18_Restore.ipsw

Extract the RedSn0w application from the 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 theRestore 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 theOpen button to continue.

Step Three

Once iTunes has finished updating your iPhone to the desired firmware you may launchredsnw0w.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

From this window you can select the jailbreak options you would like. If you have already pwned your device check the Already pwned option.

Verbose boot displays detailed information on boot of your device and is generally only needed by developers and advanced users.

Make sure the Cydia and Unlock options are selected. For this tutorial we will also selectCustom boot logoand Custom recovery logo.

When you click to select each custom logo option a dialog window will appear asking you to select the image. Locate the image you would like to use then press the Open button.

*Remember the rules for boot logos are: RGB or Grayscale format with Alpha channel and dimension below 320x480.

Click the Next button to continue

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 Nextbutton

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 and Kernel.

Step Thirteen

Once this is complete you will be notified that RedSn0w is done. Click the Finish button. After your iPhone reboots (5 minutes or so), it will run BootNeuter then be unlocked and jailbroken with Cydia on the SpringBoard.

*As usual a big thanks to the iPhone Dev-Team for this contribution to the community.