Microphone
My microphone does not appear to be working on my WhatsApp and Messenger. I can hear the other caller but they cannot hear me. I have to put the loud speaker on in order to speak
iPhone 6s, iOS 12
Question marked as
See this support guide:
If the microphones on your iPhone, iPad, and iPod touch aren't working - Apple Support
If your issue still persists, have your device inspected at an Apple Store or AASP: Apple – Location Selector
Regards
Giulio