One of my favrate phone which I had purchased 3 days ago the osm phone I ever seen the best performance its sound quality is the best from other phone it is best than apple phone the samsung are best competative of apple its look is also osm with edge display display with high defination and high quality of display . other feature such as fingerprint . and other detector and also consist tracking devices . the phone by using pleasurous and feels osm with satisfaction as its cost is high but as specifaction it affordable.