How To Unlock iPhone 3G On iPhone OS 3.0 Using Ultrasn0w


The iPhone Dev team has officially released Ultrasn0w which will unlock iPhone 3G, but not the iPhone 3G S. You will see that it’s very easy to unlock your iPhone and you won’t risk anything. I repeat: it’s very easy to unlock your smartphone, and according to the iPhone Dev team, Ultrasn0w should unlock even the unlockable units.

Please note the Ultrasn0w for iPhone 3G S is coming soon.

Please note that all the “o” are zeros. It’s not the letter “o”. Using “o” on Step 4 will return an error hence it won’t work.

How to unlock iPhone 3G running iPhone OS 3.0 using Ultrasn0w:

  1. Download and install iPhone OS 3.0 on your iPhone 3G.

  2. Jailbreak your iPhone with Redsn0w or Pwnage Tool. Both will Cydia or Icy.

  3. Run Cydia and Icy depending on your preferences.

  4. Add the Repo: to Cydia or Icy.

  5. Search “Ultrasnow” in Cydia or Cydia, then install Ultrasn0w.

  6. Reboot your iPhone 3G.

  7. If you are a T-Mobile USA user then disable 3G before using Ultrasn0w, and if you’re any other career just have fun with your unlocked iPhone.

You shouldn’t encounter any problems. Just make sure that you follow the instructions in the right order!

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