Hi friends I bought mi 4 and it is a excellent phone.It has a excellent clarified sound system at down every song sounds great and a good video quality and display is also quite good.I use it for social networking, watching videos, listening music and in everything it works fabulous.And its 13 mp camera is the best in this phone looking is also nice back flat body finger print and sound is at bottom.it has setting option. like I can hide my pictures.And every game which I play high end games like high graphic games it perform very well no hang.And it has a very big battery life 4100.It is a very good budget phone.