Samsung is a big company and I am using samsung galaxy j7 I baught it few months ago and this phone is working well but some times I face problem some times network goes off automatically then I have to put it on plane mode and dissable plane mode to restart the networks then it start working again I just have this issue in my phone other then that j7 is very beautiful and very reliable it has all the latest features which I needed. I would like to give it 4 stars