Unlock iPhone 4 iOS 4.0.1/4.0 with Ultrasnow 1.0-1

Posted on 30 November 2010

Recently, the Dev-Team released the carrier unlock for the iPhone 4. The version 1.0-1 of Ultrasnow supports unlocking iPhone 4 with iOS 4.0.1/4.0. It is hoped that this will solve many problems.

The Carrier Unlock

The Ultrasnow 1.0-1 will be able to unlock two things. Firstly, the iPhone 4 baseband 01.59. Secondly, 3G/3GS basebands 04.26.08, 05.11.07, 05.12.01, and 05.13.04.

Unlocking the iPhone 4

For unlocking the iPhone 4 certain steps need to be followed. However it must be noted at first that T- Mobile USA users must disable 3G first. For doing this they must, firstly, open settings, go to general, which will lead them to the network option. Over here, they must turn the “Enable 3G” switch to OFF.



Steps To follow To Unlock The iPhone 4

The first step to follow is to jailbreak your iPhone 4 iOS 4.0.1/4.0 with Jailbreakme. Secondly one will have to go to “Cydia” , which will lead to the option of “Manage”. After doing this you will press on to “Sources”, and then the “Edit” option. Lastly you will go for the option “Add”.

After one has successfully followed the previous instructions, you will have to enter the URL, which is repo666.ultrasn0w.com. After this you will press the option of “Add Source”. The next step is to tap the Search tab in Cydia and search for “Ultrasn0w”.


When the search results appear you will install the application named ultrasn0w. The last step is to wait for ultrasnOw to install. Once it is installed, you will reboot your device.

Unlocking successful

If the steps listed above have been followed in the correct order then the unlocking is successful. Your iPhone 4 with baseband 01.59.00 will be unlocked. However, you must not skip steps at all and follow them in the correct order.

The Last Step

Now only one very simple step has been left. That is, of course, inserting your SIM from any carrier to to use on your iPhone 4.

It must. however, be remembered that whoever uses to follow these instructions or steps. shall do so on their own risk. There is absolutely no guarantee for whatever has been written above. It is advisable that you double check this guide, before planning to unlock your iPhone’s.

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This post was written by:

Henry - who has written 28 posts on ixibo.


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