J7 prine is a awesome phone. I have been using this phone since 4 months. The phone is pretty smooth.The screen size is 5.5 which allows you to watch videos without worries.You can even enjoy the movies. The ram of the phone is 3gb which helps you to run the multiple apps smoothly.The phone is slim enough to use it.You have got many features like finger print sensor, s bike mode.As we all know samsung brand is awesome.you can find service centre in your nearby places. Its a good value for money.