The iPhone can connect to the MetroPCS network in some cases. As of 2014, the MetroPCS disclaimer states that T-Mobile and AT&T iPhones, and Verizon and Sprint iPhone 5s, all work on the network.
The MetroPCS network supports some iPhones that are sold by other phone companies including T-Mobile, AT&T, Verizon and Sprint. For iPhones from Verizon and Sprint, only iPhone 5s are supported. Using 4G on the MetroPCS network is possible. MetroPCS does not, however, sell iPhones, nor does it affiliate with Apple. MetroPCS also states, as of 2014, that iPhones on their network are subject to limited functionality. Coverage is limited on the network.