Hi friends we all know that the Samsung is one of the best company and the Samsung products are very good coming to the Samsung galaxy duo smart phone it is the wonderful mobile because it has most attractive features it as 4gb ram and 5.5 display 13+5 real camera and 8 front camera the features make the mobile attractive and it as 3000mah battery and the cost is also payable it available in two colours they are black and glod if u want to buy a mobile under 17000 it is the best