How to Unlock iPhone 3GS OS 3.0 with Ultrasn0w 0.8

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Today iPhone dev team have updated their jailbreaking tool Redsn0w to Redsn0w 0.8 to support for iPhone 3GS 3.0. Redsn0w 0.8 is released to Windows, Mac & Linux. You can download Redsn0w 0.8 form here. Along with Redsn0w 0.8, A new version tool Ultrasn0w 0.8 is also release to enable users to unlock iPhone 3GS 3.0.

You must first jailbreak your iPhone 3GS 3.0 with Purplera1n or Redsn0w 0.8 and then unlock with Ultrasn0w 0.8. Those users who are new to jailbreaking & unlocking here is small guide on how to unlock iPhone 3GS 3.0 with Ultrasn0w 0.8.

How to Unlock iPhone 3GS 3.0 with Ultrasn0w 0.8

1. Open Cydia on your Jailbroken iPhone 3GS 3.0

2. Add Repo repo666.ultrasn0w.com in your Package Sources

3. Now Click on Return to Cydida and press Done.

4. Click on repo666.ultrasn0w.com in user entered source list

5. Click on install & confirm button to install Ultrasn0w 0.8

6. Once installation is completed successfully restart your iPhone 3GS 3.0