Speaker some times not working

[A_1]

In the phone app some times speaker not working ,if I call somebody l am not hearing the others coversation even ringing sound also.It is happening once in two or 3 days after restart the phone speaker start working
Asus moderators ,How to resolve above problem?

[Y_ASUS]

Hi A. ,
Do you mean the bottom speaker or the earpiece is not working in a call?
Does it appear on other apps when you call or only the phone app?
When this happens, can you hear the voice after you switch it to speaker mode or use earphones?
Thank you. 🙂