operating system: 4.1.2
http://www.samsung.com/us/mobile/cell-phones/SCH-S968MBBTFN-specs
this is cdma phone without registration... you have to register it to any cdma network
http://www.samsung.com/us/mobile/cell-phones/SCH-S968MBBTFN-specs
this is cdma phone without registration... you have to register it to any cdma network