However, the iPhone microphone could stop working suddenly, preventing you from doing many things with the phone.
Its important to know the possible reasons for causing this and the corresponding methods for troubleshooting the problem.
If your microphone stops working suddenly, your phone will become virtually unusable.

They often ask why people cant hear me on my Phone and how to fix iPhone mic not working.
The following content will answer these questions.
(How to fix iPhone speaker not working?)

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If yes, just get a soft cloth or toothbrush to clean the dust or stain gently.

Besides, you should double-check that theres nothing blocking the microphone.
Dont cover it with your fingers or anything else while using.
Restarting your iPhone may fix the mic problem if its resulting from temporary software glitch.

Solution 3: Remove Bluetooth machine or Accessories
First, you better disconnect any Bluetooth devices.
In addition, you should remove headphones or any other external accessories that may interfere with iPhone microphone.