How To Unlock iPhone 4 / 3GS On iOS 4.3.3 With Ultrasn0w 1.2.3


08.05.2011

How To Unlock iPhone 4 / 3GS On iOS 4.3.3 With Ultrasn0w 1.2.3

For all iPhone 3GS and iPhone 4 users, you may know that NOW you can unlock your device easily. The guys from iPhone Dev Team has released their last version, Ultrasn0w 1.2.3, the application that will unlock your phone. You will be able to use your iPhone in any carrier network.

Before start the unlock process you must verify if you have the one of the following baseband: 01.59.00, 04.26.08, 05.11.07, 05.12.01, 05.13.04, 06.15.00. And also, you must to have a jailbroken iPhone. If you update your iPhone 3GS to the iPad baseband(06.15.00) your GPS function might not work.

Here are the steps for How To Unlock Your iPhone 4 / 3GS On iOS 4.3.3 With Ultrasn0w 1.2.3:
  1. First you, you must to jailbreak your iPhone 4 or your iPhone 3GS and also you must to keep the older baseband. You can use PwnageTool app for Mac OS X and also Sn0breeze application for Windows. Here is a complete guide for how to jailbreak your iPhone 4 or iPhone 3GS using PwnageTool.

  2. Now, you must to start Cydia from your iPhone.

  3. Next, you must to press the Manage tab, then you must to press the Source tab.

  4. You will be able to press the Edit button and then you must pres the Add button.

  5. Now, you must to type the following code: http://repo666.ultrasn0w.com

  6. Next, you must to press the Add Source button.

  7. Now, after the process is completed, you must press the Search tab, and you must type ultrasn0w 1.2.3. You must install the application on your iPhone.

  8. Finally, you must restart your phone and then you will be able to use your iPhone 3GS or your iPhone 4 with iOS 4.3.3 in any carrier network.

And that is all. Your iPhone 3GS or your iPhone 4 is unlocked. Don’t forget, your GPS functionality might not work. If you have questions, don’t hesitate to share them in the comments are below.

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