Does the Nokia phone have a traffic switch?
Second, windowsphone system data switch set to:
1, open the phone "settings".
2, select "mobile phone network + SIM card".
3, select "data connection" is open to open the mobile phone network.
4, select "data connection" is closed to close the mobile phone network.
5, the last one is the SIM card settings, for the choice of mobile phone priority network, such as priority 4G network or 3G network.
First, Saipan system without flow switch, is automatically connected to the Internet, automatically disconnect.
