Mobile Network Support and BandAlcatel 5X have Hybrid Dual Sim Card Slots,Alcatel 5X support all GSM Based network providers. Alcatel 5X mobile device support 2G Band Frequency at GSM 850,GSM 900,GSM 1800,GSM 1900 and Hight Speed 3G Network Band at HSDPA 850,HSDPA 900,HSDPA 2100,Alcatel 5X also support LTE based 4G Networks Support at Frequency level LTE 700,LTE 2100,LTE 800,LTE 1800,LTE 2600,LTE 900,LTE 1900, (VoLTE),comes with network handling support with Network settings