Jailbreak 4.3.3 Windows iPhone 4 3GS iPad iTouch 3G 4G With Sn0wbreeze 2.7.1


by casey on May 7, 2011

Sn0wbreeze 2.7.1 for Windows has been released by the developer iH8sn0w.Sn0wbreeze 2.7.1 is available for download for untethered iOS 4.3.3 jailbreak on iPhone, iPad and iPod Touch. Not only this, it can also do an untethered 4.2.8 jailbreak for Verizon iPhone 4. Yes! Its a two in one. We have already covered the news ofRedsn0w 0.9.6 RC16 and PwnageTool for Mac. Remember that Sn0wbreeze only works on the Windows while PwnageTool is capable of running on the Mac OS. Download links are available below.

Sn0wbreeze 2.7.1 is compatible withiPhone3GS,iPhone4 (GSM), iPhone4 (CDMA),iPod touch 3G,iPod touch 4G,iPad1 andAppleTV2G.

NOTE: Redsn0w 0.9.6 RC16 can also be used for untethered iOS 4.3.3 jailbreak on Windows. But if your device relies on carrier unlock, then you MUST use sn0wbreeze 2.7.1 to preserve the baseband and then unlock 4.3.3 with Ultrasn0w 1.2.1 .If your device is NOT relying on carrier unlock, we highly recommendyou to useRedsn0w 0.9.6 RC16

For Mac Users: Those Mac users who are relying on carrier unlock can use PwnageTool for untethered 4.3.3 jailbreak.

HOW TO UNTETHERED IOS 4.3.3 Jailbreak On Windows OS USING SN0W BREEZE 2.7.1



  • Launch Sn0wbreeze 2.7.1 application.
  • Press the blue button at the right bottom to proceed to the next step.



  • Browse and select the iOS 4.3.3 or iOS 4.2.8 IPSW firmware file that you have download on your desktop.
  • Press the blue button to proceed.



  • Sn0wbreeze 2.7.1 will now start doing verification of your firmware file. Once its completed, it will prompt you a message saying its verified now.
  • Press the blue button to proceed.


  • Select “Expert Mode”.
  • Then select ‘Build IPSW’. It will then start creating a custom firmware 4.3.3 for you.


  • Once completed, it will prompt a “Done” message.


  • It will prompt you the instruction to enter in DFU mode Connect your device with PC.

  • For that, press and hold POWER and HOME button for 10 seconds.
  • Now let go the POWER button and keep on holding the HOME button for 10 seconds again.
  • You device will go into the DFU mode.
  • Following screen will be displayed telling you that you have entered in the Pwned DFU mode.


  • Launch iTunes 10.2.2. Select the iOS device from the sidebar in iTunes software.
  • Press the Shift on your keyboard and then press Restore (DO NOT UPDATE).
  • It will ask you the location of custom firmware that it has created. Select the custom firmware file.

iTunes update


  • Let the iTunes do rest of the process for you. It will do few automated steps. Do not try to interrupt it in the middle. Let it to take its time.
  • It will be showing you a progress bar. Once its installed, your device will be jailbroken with iOS 4.3.3 firmware installed in it.

Thats It !!! Congratulations!!! You have successfully jailbroken iOS 4.3.3 untethered using sn0wbreeze 2.7.1 on Windows. Now you can unlock iOS 4.3.3.

Unlock iOS 4.3.3 iPhone 4 3GS with Ultrasn0w 1.2.3

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Update: Sn0wbreeze 2.7.2 Untethered 4.2.2 Apple TV 2G

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