I just bought my phone (LG X Power 3) and prepaid SIM card a week ago. My phone has been working fine up until 3 days ago. I can't make phone calls out or receive calls, but I can send text messages just fine. I've looked online for help, tried resetting my phone, turned it off and took my sim card out and put back in, turned airplane mode on and off, reset everything, tried different koodoo networks and still nothing ? I don't understand. It says I have 2 bars of service but still can't make calls out..help! So frustrated.