ZTE B880 2 was officially announced in May 2015, Device released in May 2015Mobile Network Support and BandZTE B880 2 have Dual Micro SIM, (3G + 4G) Card Slots,ZTE B880 2 support dual mode based on GSM/CDMA based network providers. ZTE B880 2 mobile device support GSM 2G Band Frequency at GSM 850,GSM 900,GSM 1800,GSM 1900, ZTE B880 2 mobile device support CDMA 2G Band Frequency atand Hight Speed 3G Network Band at HSDPA 850,HSDPA 900,HSDPA 1900,HSDPA 2100,ZTE