How to unlock iPhone 4 with iOS 4.0 / 4.0.1 using Ultrasn0w 1.0-1


How to unlock iPhone 4 with iOS 4.0 / 4.0.1 using Ultrasn0w 1.0-1

In the following guide you will learn how to unlock the iPhone 4, running on iOS 4.0 or 4.0.1, using the latest tool, Ultrasn0w 1.0-1 . By unlocking your iPhone 4 you are given a high degree of liberty. You can use any SIM cards you want, of any carrier out there. So much for AT&T exclusivity I might say. Before starting, make sure that your baseband version is 01.59.00 and that you are jailbroken.

Please note that this is a forbidden process that will void your warranty. Also, if you are an US T-Mobile user, you must first disable your 3G connection. You can do this by going to Settings->General->Network and turning off the “Enable 3G” option. Make sure you read the steps bellow carefully and feel free to post any questions in the comment section bellow.

Unlock the iPhone 4 to get total freedom

Guide to unlock iPhone 4 iOS 4.0 / 4.0.1 with Ultrasn0w 1.0-1
  1. Open Cydia, from your springboard, and click on “Manage and Sources” section.

  2. Now touch on the “Add” button and type the following: “”. Click on “Add source”.

  3. Using Cydia, search for “ultrasn0w” and select the first result, like in the image bellow:

    Ultrasn0w Found

  4. Click on the “Install” button and have a little patience. Ultrasn0w will do the rest.

    Install This

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