Good phone.and working very good no hang problem like other phone. clear and sharp screen.and touching is very beautiful. although it is a very low price Phone yet working efficiency is enough good.my phone is also mi 4 there is no problem in this phone till now. all advance features have already successfully working.no fake application in this phone like other phone.one of the best feature in this phone is when you install a app there have an automatically scanning programs to protect your phone.