It is a 4g device. it has very good ram of 6 gb and good storage of 64 gb. iand it has 636 snapdragon processor which is used for fast processing . it has also no any hanging problem. it has good camera resolution. it has very good sound quality.it looks very stylish and good looking phone. in this price it is best phone to buy in 6 gb ram. its main advantagge is that it is launched by xiaomi company.