I am use this phone before 2 to 3 months. Its really very good and very good price. I am use this phone before 2-3 months, I am not found any problem but the sond quality is small bad but its camera quality and system speed is really good. I am impressed by this phone because in this price no any company will give you this feature and we all are also knows that about xiaomi company. and I also recommended that you also buy this phone.