Sonim XP8 was officially announced in April 2018, Device released in May 2018Mobile Network Support and BandSonim XP8 have Dual, (Nano Sim) Card Slots,Sonim XP8 support dual mode based on GSM/CDMA based network providers. Sonim XP8 mobile device support GSM 2G Band Frequency at GSM 850,GSM 900,GSM 1800,GSM 1900, Sonim XP8 mobile device support CDMA 2G Band Frequency at CDMA 800,CDMA 1900and Hight Speed 3G Network Band at HSDPA 850,HSDPA 900,HSDPA 1900,HSDPA 2100,