Can't unlock, Network Lock "on" How to turn it off. Galaxy S2 I9100

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http://forum.xda-developers.com – Hi guys, this is my first post on the forum! I have a Galaxy S2 I9100 that I want to unlock but it has this "Network Lock" and won't let me introduce any codes. The phone is rooted and have superuser, I gave it a try to this tutorial but didn't work...I think.(click here to go to the tutorial) Another thing is that I used an app called"Galaxy S Unlock" and went to the part of "UnlockSGS3" and made 2 process. 1.Backup efs folder 2.Sim Unlock and then the network lock that was "on" on the personalized settings turns off. If I check the setting wit (HowTos)