Unlock iPhone 4 3GS Using Ultrsn0w 1.2.3 On iOS 4.3.3 [Guide]

May 6, 2011

Cydia

iPhone Dev team has just released Ultrasn0w 1.2.3 to work with the recently released iOS 4.3.3. If you haven’t upgraded yet here’s the download location  for official Apple iOS 4.3.3 Here is how to unlock iPhone 4, iPhone 3GS iOS 4.3.3.

Note:

Basebands supported are: 01.59.00 / 04.26.08 / 05.11.07 / 05.12.01 / 05.13.04 / 06.15.00

These basebands are not supported 02.10.04 / 03.10.01 / 04.10.01 / 05.14.02 / 05.15.04 / 05.16.02

 

Ultrasn0w 1.2.3 will unlock iPhone 4/ 3GS, iPod touch, iPad.

1. Jailbreak your iOS device. If not jailbroken follow this link to Jailbreak

2. Open Cydia on your iOS device.

3. Go to Manage then Sources

ultrasn0w

4. Now select “Edit”, then tap on “Add”, and type  http://djayb6.com

ultrasnow-1.2.3

5. Now tap on “Add Source” then tap on Done

6. Search for “Ultrasn0w 1.2.3 for iOS 4.3.3” in Cydia and install this application. This app will automatically unlock your iPhone so that you can use it with any carrier.

7. Restart your iPhone.

 

 

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Untethered Jailbreak iOS 4.3.3 with Redsn0w 0.9.6rc15 [Tutorial] →

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  • hugo

    error 1600???

    • silversurfer

      it cannot give you error 1600 when installing Ultrasn0w! you got it from installing the IPSW right? flash the iPhone with iReb and re-install. If you have another computer in the house, install the IPSW with the other computer.


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