I used nokia 3 smart phone to test the quality my experiance is horrible bacase it was just new handset but showed 1.7 gb ram is used only 180 mb free even I dont installed any apps I am istalled 5 to 10 apps to check the memory than storage running fault will occure its really bad design from nokia phone style is good some of hardware and softwate issue in phone I think nokia is responsible to solove this problem while realeasing upcpming n3 and n6 it was huge problem