Samsung Galaxy j3 is one of the Affordable mobile .This mobile has Dual sim and support VoLTE , 4G, 3G, 2G . This mobile has 5 inches display and 720*1280 px display resolution .This mobile has quad core, 1.6 GHz processor . This mobile has tow camera one rear has 8MP with flash and other 5MP front camera .J3 has 1.5 GB ram and 8 GB inbuilt memory and external memory card support up to 128 GB . J3 mobile has 2600 mAH battery . This mobile is operate with android v5.1 . This mobile positive point is Affordable, Similar dimensions to an S7, Color rich screen, large size hd display, Decent camera .This mobile has negative point is Android 5.1.1 lollipop is not nearly the latest version around, 8 GB version has only 3 GB available to user use, NO MHL, NO magnetometer, No gyroscope, NO ambient light sensor , Annoying manual brigtness, not very powerful , Mediocre performance . If you like this then buy it other wise many other option in market in this price .
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