Why my bluetooth and wifi

[Android Central Question]

I m use S4 my bluetth and wfi not function so i need your help for solve it.. any application i can use for this 2 problem

 

[Rukbat]

On a phone that's almost 6 years old? No, the hardware is failing.

 

[B. Diddy]

Welcome to Android Central! It would also help to know more about the problem. "Not function" can mean a lot of different things, with different causes.