Phone says, phone freeze SIM unavailable. contact your service provider.

If the phone displays the message 'phone says, phone freeze SIM unavailable. contact your service provider', then the samsung phone has got hard locked and you need to reset the phone to enter the unlock code again. You can get the unfreeze code, NCK code and SPCKcode from third party. After unfreeze your phone, you have to enter the NCKcode to unlock and use it with any gsm network in the world. i will suggest thewebsite MobileUnlockSolutions.com which is doing goodservice .....you can approach this website