Karbonn A7 Star was officially announced in May 2013 , Device released in May 2013 Karbonn A7 Star made under A Series.Mobile Network Support and BandKarbonn A7 Star have Dual Card Slots, Karbonn A7 Star support all GSM Based network providers. Karbonn A7 Star 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