To do that you would have to root your phone. The simplest way to root your phone is to use Z4 Root
One way to reset the phone lock password is to do a hard reset, which will erase everything on the phone. To do a hard reset enter *2767*3855#.
If you are being asked for the PUK code or the PIN code, then your service provider to have them assist you with that. You can only obtain the PUK or PIN code from the service provider.
How do I reset the Samsung e1105t sim lock number
You can remove sim lock for samsung c160 from any vendors online like Theunlockarena.com
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wwwfactoryresetscom This website will show you how to reset your cell phone or PDA device to its factory default settings or remove your forgotten password.
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mot de passe du téléphone Samsung gt e 2130
Do a Samsung Master Reset: CAUTION: A "master reset" changes the phone settings back to default. This process will erase all contacts, downloaded settings, and downloaded applications (ringtones, wallpapers, graphics, etc). This process cannot be undone. Enter *2767*3855# from the standby screen. (You may need to remove the SIM before it will allow you to type the code in)
You can purchase code for sim unlock from Classicunlocking.com