Micromax X335 was officially announced in April 2012, Device released in May 2012Mobile Network Support and BandMicromax X335 have Dual, (Mini-SIM) Card Slots,Micromax X335 support all GSM Based network providers. Micromax X335 mobile device support 2G Band Frequency at GSM 900,GSM 1800 and there is no 3G Network Band Support,comes with network handling support with Network settings and work offline with flight Mode. Device Body Design and Display Micromax