Casio GzOne Ravine 2 was officially announced in November 2011 , Device released in November 2011 Mobile Network Support and BandCasio GzOne Ravine 2 have Mini-SIM Card Slots, and there is no 3G Network Band Support, 3G for CDMA supports at CDMA 2000, 1xEV-DO, comes with network handling support with Network settings and work offline with flight Mode.Device Body Design and Display Casio GzOne Ravine 2 is a Flip device