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Ultrasn0w Unlocks iPhone 4 to work for T-Mobile, Sprint and others

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August 4th, 2010

Now everyone is disappointed that the iPhone 4 is not available for other carriers, but that’s only for the US. Internationally the phone is unlocked to work with any carriers its only here does a carrier lock a phone to work primarily with their service – not anymore.

The company Ultrasn0w who has been offering unlocking services for previous version of iPhones have now offers it for the new iPhone 4 which comes as great news to who wants to obtain the iPhone but not switch to VERY expensive AT&T.

The one thing though, is to unlock the iPhone 4 you will have to JailBeak it, which voids the warrenty with apple.

Here are the instructions taken directly from redmodpie.com:

NOTE: T-Mobile US users will have to disable 3G by navigation to: Settings->General->Network and turning the "Enable 3G" switch to OFF before installing the ultrasn0w unlock.

How to: Jailbreak iPhone 4 on iOS 4.0.1:
Step 1:
Unlocking requires that your phone is jailbroken on the latest firmware. Follow the complete guide posted here to jailbreak your iPhone 4 on iOS 4.0.1 / 4.0 using JailbreakMe 2.0.

How to: Unlock iPhone 4 (Any Baseband) on iOS 4.0.1:
Step 2:
Once you are done with the jailbreak, you can now unlock your iPhone on any baseband using Ultrasn0w 1.0-1 from Cydia. To do this:

  • Start “Cydia” on your iPhone.
  • Touch on “Manage” tab on the bottom.
  • Now touch on “Sources” as seen in the screenshot below:

  • Touch on “Edit” and then on “Add”. You will be prompted to enter a url source as seen in the screenshot below. Type http://repo666.ultrasn0w.comand touch on“Add Source” to add this repo if you haven’t already.

Cydia will now automatically update your sources by following a series of automated steps.

  • After installation is completed. Search for “ultrasn0w 1.0-1” in Cydia and install this application. This app will automatically unlock your iPhone so that you can use it with any carrier.

Step 3: Now simply restart your iPhone and voila! you should now have a fully unlocked iPhone 4 !

Disclaimer: This guide is for testing & educational purposes only. I’m not responsible for any loss of important data or malfunctioning of your iPhone.

 

by Maurice Cox

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