Follow the instructions in the confirmation email to unlock your phone. Goodsync Server Keygen. • The instructions for unlocking your device will vary depending on the make and model of your phone. When completed, you will have the ability to use your MetroPCS phone on another compatible GSM wireless network. How To Unlock Iphone Carrier For Free on this page. Insurance For Unlocked Phones there. • Typically, you will need to turn off your phone, insert the SIM card of the new network, turn the phone on, and enter the code when prompted. • MetroPCS will usually send you two codes: a Network Lock (NCK) code and a Service Provider Lock (SPCK) code.