I went to MetroPCS and inserted one of their SIM cards, but it didn't pick up. It's probably because the person inserted the SIM card without rebooting the phone. I told her " Did you reboot the phone when you inserted the SIM card?" She says "No, I don't have to. The signal should automatically pick up." I said "Okay" and left. Tell me if I'm wrong, but I remember talking to metroPCS agents on the phone and I always had to reboot my phone after taking out my SIM card. I would try to place a friends SIM card in, but their SIM cards are different than mine. I take nano.
My mobile operator reads "000-TH".