How To Jailbreak Your iPhone 4, iPhone 3GS Using Sn0wbreeze For Windows (iOS 4.3.1)

News | Saturday April 9 2011 5:42 AM | Comments (0) Tags: , , , , ,

iH8sn0w had released Sn0wbreeze 2.5.1 few weeks back, which allows users who want to 
with iOS 4.3.1 while preserving their iPhone ‘s baseband.
If you meet the requirements mentioned above then you can proceed with the step-by-step instructions to jailbreak your iPhone using Sn0wbreeze.
Download Sn0wbreeze 2.5.1 from
” on your desktop.
You also need to download the iOS 4.3.1 firmware file
for iPhone 4 users (iPhone 3,1_4.3.1_8G4_Restore.ipsw)
for iPhone 3GS users (iPhone 2,1_4.3.1_8G4_Restore.ipsw)
Extract Sn0wbreeze from the zip file. Double click on the Sn0wbreeze icon to launch the application. You will get a dialogue informing you that the software is not for commercial use. Click
button to continue. Then the Credits dialog box, click on the
button to continue.
Click on the blue arrow button at the bottom right side to proceed.
Click on the browse button and select the appropriate firmware file that you had downloaded in step 2 (iPhone 4 users: iPhone 3,1_4.3.1_8G4_Restore.ipsw, iPhone 3GS users: iPhone 2,1_4.3.1_8G4_Restore.ipsw) .
Sn0wbreeze will verify the firmware file. Once the firmware file is verified, it will you inform you that the IPSW is verified and also the iPhone model. You will be able to click on the blue button to proceed. For iPhone 3GS users, it will request you to select whether your iPhone 3GS comes with the old or new bootrom. If you don’t know, click on the
button. You need to connect your iPhone and follow the on-screen instructions.
After selecting the bootrom, you will be prompted with three options:
Since you are here to preserve your iPhone ‘s baseband from getting updated, select the
Baseband Preservation Mode.
Then click on the blue arrow button to proceed.
Sn0wbreeze will now start creating the custom firmware file, which takes 5 to 6 minutes. You will get an option to play PacMan during this time.
Once the custom firmware file is create, you will get a message that the custom firmware has been successfully creation and prompted with an
button to put your device in a restorable state. Sn0wbreeze creates the custom firmware file on your desktop and prefix it with sn0wbreeze. So it will create sn0wbreeze_iPhone 4-4.3.1.ipsw for iPhone 4 users and sn0wbreeze_iPhone 3GS-4.3.1.ipsw file for iPhone 3GS users.
If you’ve followed the steps correctly, you should get a message that your device is in a PWNED DFU state.
“. Press OK. Your iPhone is now in recovery mode.
While on the iTunes window, hold the Alt/Option key and click on the ‘
‘ button.
(This is a VERY IMPORTANT STEP as just pressing the “Restore” button will result in restoring your iPhone with the latest firmware, which is iOS 4.3.1 firmware currently, by holding down Alt/Option button, allows you choose the custom iPhone firmware file
(and NOT the original firmware file).
‘ button to proceed.
iTunes will now restore the custom firmware on your iPhone . The process will take up to 10 minutes. Once it is completed, your iPhone will reboot and should be updated with iOS 4.3.1. It should also be successfully jailbroken and you should find 
jailbreak app on your iPhone ’s home screen..
If you’re new to the jailbreaking world and wondering what to do after jailbreaking your iPhone , checkout our 
category page to find out the apps you can install on your iPhone using the Cydia app.
We hope you found this tutorial useful. Please let us know how it goes in the comments below.

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