Samsung metro is a keypad and simple mobile for use only calling . This phone camera is 3.15 mp but pictures are not so clear. In this mobile we put into 8 GB MICRO SD card . And mobile memory is 50 mb only . This mobile have mp3 ringtones and MP4 and battery is 960 mh. If we get want second phone like one smart or second simple for calling then this phone is great phone. And we can use net in this opera mini. All over this phone is good for calling