As promised by the Dev team it didn’t take them long to release ultrasn0w to soft unlock your iPhone 3G to use any SIM card. So if you haven’t upgraded to OS 3 yet because you’ll loose your soft unlock then you’ve nothing to worry about anymore. Just follow these steps and you’ll have your iPhone with the latest firmware and with your chosen phone provider. 

But before you can follow these procedure to soft unlock your iPhone 3G, you’ve to first Jailbreak it. So if you haven’t done that yet then do so by following the steps here.

  1. Go to Cydia on your iPhone
  2. Then go to “Manage” from the bottom menu navigation
  3. Select or tap on “Sources” under the Manage section
  4. Once you’re on the Sources section, click on “Edit” on the top right hand side of the screen
  5. Then you’ll see the “Add” button will show up on the top left hand side of the screen
  6. Click on “Add” 
  7. Now put this URL: repo666.ultrasn0w.com to Cydia or Icy.  (That last “o” is actually the number zero “0”!)  on the popup box and hit “Add Source” and the ultrasn0w software source will be added on the sources list
  8. Once completed, click on “Return to Cydia”
  9. Now to go Search and search for ultrasn0w 
  10. When found, click to install and you’re almost done
  11. Now restart your iPhone by holding down both the power and home button for few seconds and leave both the buttons when you see the Apple logo
  12. Wait for your iPhone to be restarted completely
  13. Once restarted, wait for 10-15 seconds for your iPhone to show the new phone network
  14. That’s it!! You’ve an unlocked iPhone 3G with OS 3 and a lot of freedom
  15. Enjoy!!

Did you like this post? Then please consider subscribing!
iPhone - How To's, iPhone 3G