few days ago I bought a Smansung Galaxy Core Prime LTE, but after about four to five hours all the sound disappears both notifications system, such as the call is not heard nothing, and applying the code # 0 # and doing the test speaker, absolutely not hear anything, please, how can I fix this problem, you have version 5.0.2 Android Lollipop.
Also try the Factory Reset and still does not work.
I appreciate the help.