Samsung Galaxy J7 is a great and very fast mobile phone.3 GB Ram mobile phone works very fast and hacks a lot when it is hached .the internet runs very fast in this mobile.13 MP in this mobile photo come very clean and very beutyful . with this mobile phone, you can easily pull photos of 500 meters away from your mobile easily, its camera works very fast . network case, I also call this phone other phone, where there is a network problem, there is a good network in this mobile phone. in this mobile the video looks very clean and very beautiful.the audio player song in this mobile plays very harmonious sound because the sound of this phone is the medium so its sound comes very well this phone is also good for talking.