How to Unlock iPhone 3G 2.2.1 with Baseband 02.28.00

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1. Download iPhone 3G OS 3.0 firmware

2. Upgrade iPhone 3G 2.2.1 to 3.0 with iTunes 8.2 with shift

3. Download Pwnagetool 3.0 or Redsn0w & Jailbreak iPhone 3G 3.0 must Install Cydia installer

4. Follow How to Install Ultrasn0w from Cydia Instructions.

5. Press Home button to Power Off& Insert your Third part SIM card

6. Power ON your iPhone 3G and wait untill iPhone 3G carrier popsup. if doesn’t repeat step 5 and 6

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