1. Samsung Galaxy S6
Sales Percentage: 40%
The biggest surprise of the year 2015 is that Samsung has left behind iPhone in sales in the US, and no it is not the Samsung Galaxy S6 Edge that has taken the company ahead; it’s the Galaxy S6. With Android 5.0.2, 1440p resolution 5MP front and 16 MP rear camera, the S6 stands on top amongs the 10 best selling smartphones in the US 2015 rankings.