1. Install the latest version of iTunes(Download from here)
2. Make sure iPhone is using the latest version, updated by the official itunes software
3. Insert a non accepted SIM card and Connect the iPhone to iTunes (not from the original network provider)
4. Wait until itunes detects the phone
5. After about 10-20 seconds, disconnect phone and reconnect.
6. Finally itunes will show the message 'Congratulations Your iPhone has been Unlocked'
1) Insert unaccepted simcard
2) Switch ON the iPhone.
3) Connect to iTunes using USB cable
4) Use the “restore” option within iTunes (located at the bottom of iTunes not the top)
5) The handset may then display: USB cable and iTunes icon.
6) Disconnect from USB then re-connect
7) Synchronise device with iTunes
8) Once synchronised a message will appear on iTunes stating "Congratulations, your iPhone has been unlocked"
9) Follow on screen set up instructions to enable new carrier settings
Your handset should now be successfully unlocked.
