Hello I am used xiaomi mi4 and you don’t buy xiaomi MI 4 reason is I am used xiaomi mi4 and not supports memory card and price is high and this price more phones options and I am recommended xiaomi redmi Note 4 this is camera is cheap I am expect Ultra HD video but camera is very poor and I am use xiaomi MI 4 this is display problem display is blank and not repair this phone not buy and phone is very old??