https://community.o2.co.uk/t5/Tech-Support/Caller-can-t-hear-me-on-phone-calls/m-p/1542680#M20653 <P>Hi <a href="https://community.o2.co.uk/t5/user/viewprofilepage/user-id/4752094">@DH2</a>&nbsp;</P><P>If you have a cover on your phone then remove it to see if that improves anything.</P><P>Also check the microphone port for fluff.</P><P>Failing that you may need a new sim which you can get instore.</P> Mon, 11 Apr 2022 20:24:07 GMT Cleoriff 2022-04-11T20:24:07Z https://community.o2.co.uk/t5/Tech-Support/Caller-can-t-hear-me-on-phone-calls/m-p/1542663#M20649 <P>When someone phones me I can hear them fine but they cannot hear me. &nbsp;If I switch over to speaker phone they can hear. &nbsp;How do I fix this&nbsp;</P> Mon, 11 Apr 2022 19:04:55 GMT https://community.o2.co.uk/t5/Tech-Support/Caller-can-t-hear-me-on-phone-calls/m-p/1542663#M20649 DH2 2022-04-11T19:04:55Z https://community.o2.co.uk/t5/Tech-Support/Caller-can-t-hear-me-on-phone-calls/m-p/1542680#M20653 <P>Hi <a href="https://community.o2.co.uk/t5/user/viewprofilepage/user-id/4752094">@DH2</a>&nbsp;</P><P>If you have a cover on your phone then remove it to see if that improves anything.</P><P>Also check the microphone port for fluff.</P><P>Failing that you may need a new sim which you can get instore.</P> Mon, 11 Apr 2022 20:24:07 GMT https://community.o2.co.uk/t5/Tech-Support/Caller-can-t-hear-me-on-phone-calls/m-p/1542680#M20653 Cleoriff 2022-04-11T20:24:07Z