Microphone in iPhone 12 not working while talking phone calls, Whatsapp, or Viber

sujonbappy wrote:

my iPhone 12

microphone is not working when i talking to whatsapp, phone call, viber and etc, but Siri can hear me, she can answer my questions and performing my commands. But i don't know why isn’t working, please help me

[Re-Titled by Moderator]

click here If the microphones on your iPhone aren't working - Apple Support