I can answer my calls but no one can here me or i can them only if i put on speaker please help

[Android Central Question]

I can answer my calls but no one can here me or i can them only if i put my phone on speaker to talk to them they can hear me

 

[B. Diddy]

Welcome to Android Central! Which phone? The primary phone mic might be blocked (e.g., by a case or clogged by lint), or it might be faulty.