Philips X818 was officially announced in September 2016, Device released in October 2016Mobile Network Support and BandPhilips X818 have Dual Card Slots,Philips X818 support all GSM Based network providers. Philips X818 mobile device support 2G Band Frequency at GSM 850,GSM 900,GSM 1800,GSM 1900 and Hight Speed 3G Network Band at HSDPA 900,HSDPA 2100,Philips X818 also support LTE based 4G Networks Support at Frequency level LTE 1800,LTE 2600,LTE 1900,LTE 2300,comes