Apple iPhone X was officially announced in September 2017, Device released in October 2017 Apple iPhone X made under iPhone.Mobile Network Support and BandApple iPhone X have Nano-SIM Card Slots,Apple iPhone X support dual mode based on GSM/CDMA based network providers. Apple iPhone X mobile device support GSM 2G Band Frequency at GSM 850,GSM 900,GSM 1800,GSM 1900, Apple iPhone X mobile device support CDMA 2G Band Frequency at CDMA 800,CDMA 1900and Hight Speed 3G