samsung galaxy grand review and best buy

samsung galaxy mobile 12.7 inches touch screen and very best viewing
operating system is andriod 4.1.2 (jelly bean) and fast move and more graphics support

processor : 1.2 GHs dual core
Os : android 4.1.2 (jelly bean)
Display : tft color depth
                 12.77cms
                 Resolution 480*800
Camera : front 2.0 mp
               rear 8.0 mp
 Connectivity : Gsm
                       3G
                       2G* EDGE / GPRS (850/900/1,800/1,900MHZ)
                        3G* HSPA+ 21/5.76Mbps