BenQ B502 was officially announced in October 2014, Device released in October 2014Mobile Network Support and BandBenQ B502 have Dual, (Mini Sim + Micro Sim) Card Slots,BenQ B502 support all GSM Based network providers. BenQ B502 mobile device support 2G Band Frequency at GSM 900,GSM 1800,GSM 1900 and Hight Speed 3G Network Band at HSDPA 900,HSDPA 2100,comes with network handling support with Network settings and work offline with flight Mode. Device