Your iPhone is almost unlocked!
All you need to do now to complete the procedure is the following few steps.
- Update the iTunes software on your computer
- With the original SIM card in it, connect the iPhone to your computer and ensure it has the most recent version of iOS
- With the new SIM card in it, connect the iPhone to your computer and wait for iTunes to detect the iPhone
- Disconnect the iPhone from the computer, and wait 20 seconds
- Reconnect the iPhone to the computer and wait for iTunes to detect it again
- Your iPhone will now be unlocked