Samsung galaxy s4 is a nice smart phone of samsung and it got very famous because of its features and its size.
Samsung galaxy s4 is having a very nice camera redult better than its upcoming s5 and j series.
S4 is having 1.6 ghz processor that takes you to the high speed world of mobile.
And also battery timing is also good arround 2600 mah battery same like samsung j5. But s4 is not good like s3 . S3 got more famouse than s4 I personally like s3 than s4 . And I suggest every one