I got my son the LG f60 for Xmas and it had been working fine until the last few days the phone won't connect to the metro pcs network. The lock screen says "searching" as if it's trying to find he network. When I check the settings it says network is unknown. I tried manually connecting to the lte network and got an error saying the SIM card won't support that connection. So, he can't text or make calls. Anyone know why this is happening or how to fix it? My husband and I have no trouble with our network connection.