How to Unlock the iPhone 3G

How to Unlock the iPhone 3G

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****THIS TUTORIAL HAS BEEN UPDATED FOR THE NEW ULTRASN0W UNLOCK THAT WORKS ON THE 3.0 FIRMWARE. IF YOU ARE ON THE 2.2 FIRMWARE THIS TUTORIAL WILL STILL WORK; HOWEVER WE RECOMMEND YOU UPDATE TO 3.0 AND FOLLOW THESE INSTRUCTIONS****

These are instructions on how to software unlock the iPhone 3G for use with any GSM cellphone carrier.

Before you can follow these instructions you must have a jailbroken iPhone and you must be on the 02.28.00 baseband(modem firmware). This means that you must be running the 2.2 firmware or have used PwnageTool(NOT QUICKPWN) to install 2.2.1 without upgrading the baseband.

To find your firmware and modem firmware(baseband) versions you can follow this tutorial. If you are not on baseband version 02.28.00 then you need to follow one of these tutorials before unlocking: Mac, Windows

Watch the Video!
For your convenience this tutorial is available in video format also. Click the Watch It button to view the tutorial!









Step One
Press to launch Cydia Installer from your SpringBoard.
How to Unlock the iPhone 3G

Step Two
Press to select the Manage tab at the bottom of the screen.
How to Unlock the iPhone 3G

Step Three
Press to select the large Sources button
How to Unlock the iPhone 3G

Step Four
Press the Edit button at the top right of the screen.
How to Unlock the iPhone 3G

Step Five
Press the Add button at the top left of the screen.
How to Unlock the iPhone 3G

Step Six
Enter http://apt9.yellowsn0w.com/ as the source url and press the Add Source button.
How to Unlock the iPhone 3G

Step Seven
Once the source has been added press the large Return to Cydia button.
How to Unlock the iPhone 3G

Step Eight
Press the Done button at the top right of the screen.
How to Unlock the iPhone 3G

Step Nine
Press to select apt9.yellowsn0w.com from the list of user entered sources.
How to Unlock the iPhone 3G

Step Ten
Press to select yellowsn0w from the list of packages
How to Unlock the iPhone 3G

Step Eleven
Press the Install button at the top right of the screen.
How to Unlock the iPhone 3G

Step Twelve
Press the Confirm button at the top right of the screen.
How to Unlock the iPhone 3G

Step Thirteen
After installation completes successfully press the large Return to Cydia button.
How to Unlock the iPhone 3G

Step Fourteen
Now press the Home button then power off and power on the iPhone. You do this by holding down the power button for 3 seconds then moving the power slider that appears to the right. Press the power button again to turn on the phone.
How to Unlock the iPhone 3G

How to Unlock the iPhone 3G

Step Fifteen
You should now be able to insert the SIM of your choice!

***HINTS: It seems that getting your iPhone to pick up your new carrier can be helped by turning off 3G and perhaps toggling the Airplane Mode switch on and off. If you are still having problems try removing and reinserting the SIM or booting with the new SIM already inside. Finally, you can also try to Reset Network Settings from the Settings:General:Reset Menu.

***IMPORTANT: For those having trouble. The yellowsn0w application can simply be uninstalled. If you have tried all the hints and suggestions and still have problems just use Cydia to remove the package and then reboot. You will then have service with your locked carrier as always.

***THANKS: A big thank you to all the members of the iPhone Dev-Team for all their hard work! It is much appreciated by all.

***UPDATES: The Dev-Team has made yellowsn0w 0.97 available. This version supports the 2.2.1 firmware using the 02.28 baseband.
mike - March 19, 2013 at 8:35pm
my 3g is stuck on iclarified logo and wont restore why
Roby - January 8, 2012 at 5:08pm
We need a lot more isngihts like this!
Mark - December 21, 2010 at 2:45pm
Hi guys If you are looking for a free unlock try going to www.unlockiphone4free.blogspot.com I got my 3G iPhone unlocked in minutes
Xavi - August 5, 2010 at 3:52am
very helpful;)
name - November 6, 2010 at 8:23am
OK GUYS THE WAIT IS OVER ITUNES HAS 4.2 FOR THE PUBLIC NOW OPEN ITUNES TO UPDATE AND THE UNLOCK WILL BE HERE AT 1PM TODAY
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