>Jailbreak iOS 4.3.1 on iPhone 4, 3GS on Windows Using Sn0wbreeze 2.4b1

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As we know Sn0wbreeze 2.4b1 has been released for Windows to jailbreak iPhone 4, iPhone 3GS , iPod touch 4G, iPod touch 3G and iPad on iOS 4.3.1. This is a tethered jailbreak. So you have to use iBooty every time when you restart your iOS device. Simply follow the step by step instructions posted below to jailbreak iPhone 4, 3GS on iOS 4.3.1 using Sn0wbreeze 2.4b1.


How to jailbreak iPhone 4, 3GS on iOS 4.3.1 using Sn0wbreeze 2.4b1

Creating Custom iOS 4.3.1 Firmware


STEP 1. First you have to download and install Sn0wbreeze 2.3b1, then simply connect your iOS Device to the computer via USB. Then launch Sn0wbreeze, and click the next “blue” colored arrow.

STEP 2. Now you have to choose the firmware. Simply click on “Browse” then drag-and-drop your iOS firmware file.

STEP 3. The iOS device which is required to be jailbroken will be automatically detected by Sn0wbreeze. Simply click on blue arrow button to continue.

STEP 4. Simply select the “Expert Mode”, then select Build IPSW” to start creating your custom firmware.

You should note that if your iPhone relies on a unlock then you have to select “Baseband Preservation Mode” option.

STEP 5. When the custom firmware has been created successfully, you will be able to see the “Done!” message.

STEP 6. Simply follow the steps posted below to enter DFU mode using Sn0wbreeze.

  • Hold down both Home and Power buttons for ten seconds
  • Now release the Power button but keep holding the Home button for 10 more seconds
  • Now your iPhone should be in DFU mode.

Now you will be able to see the following message from Snw0breeze

Restore iOS 4.3.1 Custom Firmware Using iTunes


STEP 7. Launch iTunes, then from the sidebar simply click on the icon of your iPhone. Now press and hold Left “Shift” button and then click on “Restore” button in iTunes and then release this button.

Now iTunes will ask you to choose the location for your custom firmware 4.3.1 file. Simply select the required custom .ipsw file that you created above.

STEP 8. Now you have to wait until iTunes installs the new firmware 4.3.1 on your iPhone. At this point you will be able to see a progress bar on the screen of your iPhone which indicates installation progress. Once the installation is completed, your iPhone will be jailbroken on iOS 4.3.1.

Booting in Tethered Mode


As we know currently there is no untethered jailbreak available for iOS 4.3.1 so we have to boot it into a tethered jailbroken state. For this we have to use “iBooty”.

STEP 9. Simply run iBooty and from the dropdown menu, choose your iOS device.

STEP 10. Now simply click on “Start” button and follow the instructions posted below to enter your iPhone in DFU mode.

  • Hold down both Home and Power buttons for ten seconds
  • Now release the Power button but keep holding the Home button for 10 more seconds
  • Now your iPhone should be in DFU mode.

STEP 11. After some time your iPhone will be booted in a jailbroken tethered mode on iOS 4.3.1.

In this way you can jailbreak your iPhone 4, 3GS on iOS 4.3.1 using Sn0wbreeze 2.4b1. If you found any difficulty in following the above steps then feel free to ask in the comment section below. [Via]

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About nonerox

Btech Student
This entry was posted in Jailbreak, Sn0wbreeze. Bookmark the permalink.

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