Maxx ACE MT401 was officially announced in September 2013, Device released in September 2013Mobile Network Support and BandMaxx ACE MT401 have Dual Card Slots,Maxx ACE MT401 support all GSM Based network providers. Maxx ACE MT401 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