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 of Redsn0w 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 with iPhone3GS, iPhone4 (GSM),  iPhone4 (CDMA), iPod touch 3G, iPod touch 4G, iPad1 and AppleTV2G.

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 recommend you to use Redsn0w 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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  • Xian16

    awesome sauce!

  • http://www.facebook.com/haocheap HaoCheap E-Shopping

    I face the error 1600 while restoring custom IPSW generate by this tool in my Iphone 4 n

  • yvesquejong

    I have a question. Im currently using the old firmware of ipodtouch 4g which is version 4.1. And i want to upgrade to 4.3.3. If i follow the steps posted in here, will i lose all the games,audio,video,apps and everything i have in my ipod when the updating and jailbreaking is done? Im afraid to lose all of my stuffs inside because i cant bring them back if i lose it all because i left my desktop pc at home. Im currently working abroad. Your reply is much appreciated. Cheers!!

    • Guest

       Before jaibreaking, open iTunes and select “Transfer purchases”. This will upload all your applications & games from your iPad to iTunes. When finished, sync your iPad with iTunes so you can backup your contacts, mails, messages, etc.

      Then jailbreak. This will WIPE EVERYTHING from your iPad (but now you have everything backed-up in iTunes).

      When finished jaibreaking, sync your iPad with iTunes and everything should be restored.

  • TommyLee

    I did this on a mac and added the 4.2.8 bundle, but after entering dfu mode, my iphone got stuck on the apple logo, furtunetely, i was able to get it back and restore.. Anybody have any tips of experiencing the same issues?



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