A method includes receiving one or more data packets from an external network when a user device connects to a first network. The user device is configured for dual connectivity with the first network and a second network. The method also includes transmitting a measurement configuration to a modem of the user device and receiving a measurement report from the modem. When it is feasible for the modem to perform a network change, the method includes transmitting a network change command to the modem. The network change command causes the modem to perform the network switch to connect the user device to the second network.