Galaxy grand prime when calling others can't hear me

[AC Question]

Everytime I make or receive a call, the other party can not hear me. If I put the phone on speaker then they can hear me but my voice is muffled. How can I fix or trouble shoot?

 

[sewwa]

Hi, first reboot the phone.and check. is sound work

 

[Lekeshaperry]

When receiveingredients calls people say that can't hear me do it need a new phone our what