You can remove the sim lock from your phone using unlock code.Unlock code is the best and safest way to unlock phone. You can get the unlock code for your phone from your Network service provider or any third party online vendors like http://www.mobile-unlocker.com/samsung-e1150/rs16wp9/ here you need to specify your country, Network name to which it is locked, IMEI number of your phone. Then they deliver unlock code to you through mail with unlocking instructions. By using this you can unlock your phone easily.
sahana, September 2013