Samsung is one of the leading makers of smart phone. J1 is one of them. J1 comes with LTE option also. I using the LTE variant about one year. It has a 4gb inbuilt memory out of which 1.83gb for system memory. It also comes with dual SIM option. It has an screen size of 4.5 inch with 1.3ghz quadcore processor. Its rear camera is of 5 megapixel with flash and secondary camera of 2 megapixel. It also provides the ultra powersaving mode. It also offers android 4.4.4 and above. It has a battery capacity of 2050mah
