Now, SnOwbreeze 2.4b1 is up to download so that Windows users can jailbreak iOS 4.3.1 on their devices. Ultrasn0w also works after the jailbreak of iOS 4.3.1 with the SnOwbreeze 2.4b1 tool as it preserves the baseband while jailbreaking as the PwnageTool does in Mac.


Download Snowbreeze 2.4b1


The official change log of SnOwbreeze 2.4b1 is as follows :

  • ultrasn0w now works for basebands (01.59.00 / 04.26.08 / 05.11.07 / 05.12.01 / 05.13.04 / 06.15.00)
  • ultrasn0w is NOT compatible with the folllowing basebands! (02.10.04 / 03.10.01 / 04.10.01 / 05.14.02 / 05.15.04)
  • iOS 4.3.1 is now supported.
  • iPhone 3GS users can upgrade to 06.15.00 baseband now under Unlocks section in Expert.
  • Upgrading your iPhone 3GS baseband to the 06.15.00 iPad baseband hack to unlock MAY cause you to lose your GPS!

You could download SnOwbreeze 2.4b1 from the below link :

Download SnOwbreeze 2.4b1 from here

Mac users could jailbreak iOS 4.3.1 using PwnageTool :

Jailbreak iPhone 3GS iOS 4.3.1

Jailbreak iPhone 4 iOS 4.3.1

Jailbreak iPad iOS 4.3.1

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