Hii guys am use Redmi note 4 only, see it is very good nice working condition and then complain to tell this product. So because am use this product Rear cam 13 good shapshoot. 64 bit Octa core process and 4100 mh battery also very nice 2 days complete backup. Fast charge correctly mininum 70 to 80 min to chargeing in Ac. I think realy to buy this mobile in my office so many off them useing this same Note 4 only. I reffered by my mom also to buy this same mobile no complain, no solw, no angup also. Turst me we can buy this mobile don’t penic.