IMPORTANT:
Downgrade you phone to 1.0.2 wont be able to unlock it! because the baseband are still stuck at 04.01.13_G. So you have succeed downgrade to 1.0.2, you then have to downgrade your baseband to 3.14.08_G in order to unlock your phone! If you dont downgrade your baseband, and proceed to unlock, YOU MIGHT BRICK YOUR PHONE! (I try this method and its worked of rme, make sure you read all the comments and post over there to know what could happen and how to fix during the process..) here the link for downgrade your baseband
http://rdgaccess.com/iphone-elite/vi....php?p=141#141
Only thing is that I wasnt able to use anysim 102 to run on my iphone, so I bought a one-click unlock from PQDVD and it worked perfectly
You will need iTunes 7.3.2 to downgrade to 1.0.2 download it at filehippo.com
This was the instruction that I used, and succeed!
http://www.efksoft.com/products/ipho...tutorial_a.htm
Its for windows pc! are you using mac or pc?
You will need to activate the phone before you can unlock it!
Once again, after you have downgrade to 1.0.2 and downgrade your baseband to 03.14.08_G. You are now have a total 1.0.2 iPhone and you need to follow this video
=
NOTE: You basically dont need to restore your iphone to 1.0.2 again, because you just did! All you need to do is run the Installer app that you will find in the video's instruction, then run the CLICK HERE ACTIVATE in the Point and Click activate folder (that included in the package that you will find in the video's instruction)
Then unlock your phone with anysim or iunlock or iphonesimfree or one-click unlock..
You done =)
REMEMBER TO READ EVERYTHING, WATCH THE WHOLE VIDEO FIRST, BEFORE TAKING ANY ACTION.
Im not responsible for anything happen to you! I myself followed this whole guide and succeed!