How can I fix my iPhone microphone?..I’m facing a problem,when I call people they can’t hear me

Hello happy173,

Thanks for using the Apple Support Communities. We understand that you're running into an issue with the microphone for your iPhone. It's great that you've been following the suggestions from article, If the microphones on your iPhone aren't working. Since the issue persists after those actions, you'll want to connect with Apple Support or take your iPhone in for an inspection. 

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Best wishes.