These are commands on how to unlock the iPhone 3G and iPhone 3GS for use with any GSM cellphone carrier employing UltraSn0w.

Before you can chase these commands you ought have a jailbroken iPhone and you ought be on the 04.26.08 baseband(modem firmware). This means that you ought be running the 3.0 firmware and have employed PwnageTool or RedSn0w to jailbreak.

To find your firmware and modem firmware(baseband) versions you can chase this tutorial. If you are not on baseband variety 04.26.08 then you need to chase one of these tutorials before unlocking: Mac, Windows

If you are on T-Mobile consider to turn off 3G before starting...

After Jailbreak:

Step One
Press to launch Cydia Installer from your SpringBoard.


















Step Two
Press to pick the Manage tab at the foundation of the screen.


















Step Three
Press to pick the large Sources button


Step Four
Press the Edit button at the apex right of the screen.


Step Five
Press the Add button at the apex left of the screen.


Step Six
Enter http://repo666.ultrasn0w.com/ as the source url and press the Add Source button.


Step Seven
Once the source has been adjoined press the large Return to Cydia button.


Step Eight
Press the Done button at the apex right of the screen.


Step Nine
Press to pick repo666.ultrasn0w.com from the table of customer moved into sources.


Step Ten
Press to pick ultrasn0w from the table of packages


Step Eleven
Press the Install button at the apex right of the screen.


Step Twelve
Press the Confirm button at the apex right of the screen.


Step Thirteen
After putting in completes productively press the large Return to Cydia button.


Step Fourteen
Now press the Home button then power off and power on the iPhone. You do this by keeping down the power button for 3 seconds then departing the power slider that becomes noticeable to the right. Press the power button over to turn on the phone.


Step Fifteen
You should now be competent to penetrate the SIM of your choice!