Can you unlock iphone 4 orange without sim card?

I have an iPhone 4 that is locked with orange can i unlock the phone without a sim card and it connected to itunes

I used http://iphoneunlockshop.com to unlock my iPhone 4 for this carrier. Basically they provide you with the software and a nice PDF file showing everything. Also I had trouble and they helped me out right away.

You need Sim card to unlock I-phone 4… To Unlock I-phone use Remote Unlock service… You can get Remote Unlock service from the site http://www.onlinegsmunlock.com/orange-uk-apple-iphone4-unlocking-service/rs7wp10/ and Unlock it from network lock… You need i-tunes latest version to unlock it using Remote Unlock service… Follow the steps below to Unlock it without any mistake.

Apple iPhone 4 Unlocking Instructions:

1. Wait for us to send you an email saying your phone has been activated or remotely unlocked.
2. Install the latest version of iTunes.
3. Make sure your Apple iPhone 4 phone software is updated to the latest version using the iTunes software.
4. Connect your Apple iPhone 4 to iTunes with a NOT ACCEPTED SIM card.
5. Wait until iTunes detects your Apple iPhone 4.
6. Disconnect your Apple iPhone 4 and reconnect it after 10 seconds.
7. Your Apple iPhone 4 is now unlocked.