How to unlock Samsung omina ?

Hello freinds

I want to unlocked Samsung omina currently i am on orange network can some one know how to unlock Samsung Omina ?

To Unlock your Samsung Phone - Put a New Sim in your Mobile type the Following Code :

*#9998*3323# - It will reset your Mobile.

After that Push Exit Button then after Press “7″.

It will Restart your Phone - Now Put another Sim.

It will Show Your Sim is Locked.Press 00000000.

Your Sim should be Unlocked.

*0141# dial to Unlock your Sim for All Network.

This Code Possibly not work on some older model and some new one also.