iPhone 4 unlock using UltraSn0w

Ultrasn0w can help you to unlock your iPhone (iPhone 4, iPhone 3GS, iPhone 3G). This will work with the iOS 4.2.1 firmware if you are on the 06.15.00 baseband.

Preparation to Unlock iPhone

  1. Make sure your iPhone is already Jailbreak condition
    Tutorial: How to jailbreak iPhone
  2. Your iphone Firmware and modem firmware(baseband) versions
    • 04.26.08
    • 05.11.07
    • 05.12.01
    • 05.13.04
    • 06.15.00
    • 01.59

    Tutorial Find the Firmware and Baseband Version of Your iPhone

Don`t forget to turn off your 3G before starting.

Step by step to unlock iPhone

  1. If your iphone already jailbreak, you`ll see the cyndia icon in your springboard. click it.
  2. Select manager tab
  3. click on Sources button
  4. If ultrasn0w is not present you can type / add manually

    edit -> add -> type : http://repo666.ultrasn0w.com/

  5. Click add source and return to cyndia
  6. Click done
  7. Now at “Entered by user”, you can see the new address (ultrasn0w address), select ultrasn0w packages.
  8. press install
  9. press confirm
  10. After installation completes successfully, press Restart Springboard button.
  11. Now your iPhone is able to insert the new SIM

Do with your own risk!

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