Lenovo k3 is the budget mobile. it has some deffects. main problem heating batter backup nice. mobile performance is very slow. mobile hanging some times. its not good for gaming. it has 2gb ram 16 gb internal memory. screen size better 5.5 inches nice. it can update marshamallow. its using smooth not use rough and tough. it very tough mobile. if you are thinking low budget mobile you can buy it. mobile price now 9.300 on amazon best online shopping for mobiles amazong.