By using a unlock code that you must obtain from your wireless service provider or mobile device (see Resources), you can remove the network lock to join another GSM or CDMA network. MetroPCS reserves the right to manage our network and traffic in our network in the manner we best use our customers and to maintain the service described in this agreement. How To Get The Unlock Code For A Phone. You acknowledge and agree that you do not rely on any representation, warranty, warranty, warranty, contract or other warranty expressed or made by anyone except as provided in this agreement. By sharing your personal account validation information with someone, they can access your account and make changes, including the costs you are responsible for. MetroPCS continuously works to improve network performance and capacity, but there are physical and technical limits for how much capacity. In limited places, the frequency of heavy loads may be higher relative to available capacity than elsewhere.