Monday, November 29, 2010

How To Unlock iOS 4.2.1 On iPhone 3GS, 3G With Ultrasn0w 2.1

One of the most awaited tool is Ultrasn0w 2.1, and it's released today along with PwnageTool 4.1.3 and Redsn0w 0.9.6b5. And Ultrasn0w 2.1 can be downloaded via Cydia only and it will unlock the latest iOS firmware, iOS 4.2.1 and older 4.1 on iPhone 3GS and iPhone 3GS.

If you are wanting to unlock iOS 4.2.1 on iPhone 3GS & 3G with Ultrasn0w 2.1, then follow the instruction below:
After your iPhone 3G and 3GS is jailbreaken running on iOS 4.1 or 4.2.1 using Redsn0w 0.9.6b5.

1. Launch Cydia via your iPhone.
2. Tap on Manage tab, then tap on Source, and add the source.
3. Then tap on Edit, Add the following url source, then continue tapping on Add Source:
Add Cydia Source

4. As usual, you will see the automatic update for your source by Cydia, just wait the installation is finished. After it's done, search ultrasn0w 1.2 within Cydia in order to install this application. After it's installed, your iOS device will be unlocked automatically, as the result you can use it using any carrier of your wish.

5. Then complete the steps by restarting your iPhone to have iPhone 3GS (or 3G) unlocked on iOS 4.2.1 and congratulation!

See you again!


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