T3 microfone is not working

[Jansa]

I am problems with calls.I can hear but the person on the other end is unable to hear me.peale respond me,what to i have to do

[_alexdon_]

Can you check if the same occurs in safe mode?

/t5/FAQ/How-to-boot-your-phone-into-safe-mode/m-p/348008#U348008

[EllePi]

Probably is an hardware failure ...