Philips Swift 4G S711L Tablet was officially announced in September 2016, Device released in September 2016Mobile Network Support and BandPhilips Swift 4G S711L Tablet have Dual, (Nano Sim) Card Slots,Philips Swift 4G S711L Tablet support all GSM Based network providers. Philips Swift 4G S711L Tablet mobile device support 2G Band Frequency at GSM 850,GSM 900,GSM 1800,GSM 1900 and Hight Speed 3G Network Band at HSDPA 2100,Philips Swift 4G S711L Tablet also support LTE