How to check iPhone microphones for call quality

Question

How to check iPhone microphones for call quality

Hi everyone,

I’ve been told recently that my voice is very quiet or muffled when I make phone calls using my new (to me) iPhone 14 Pro (including on speakerphone and FaceTime). Before I consider repairs, I’d like to check whether my microphones are actually working properly.

Could someone please advise the best steps to test all of the iPhone’s microphones?

For example:-

Is there a way to test the top, bottom, and rear microphones individually?
Are there recommended apps or built-in diagnostics I should try?
Could this be caused by blocked microphone holes, a case, or a settings issue?

I would appreciate any suggestions before I take further action.

Thanks in advance!

iPhone SE

Posted on Nov 15, 2025 6:39 AM

Reply

Answer 1

Nov 15, 2025 6:53 AM in response to CharlietheTabby

There is to my knowledge no test a user can perform to test the microphones on an iPhone. Do you have a protective case on your phone? If yes, remove the case and make a call and see if the caller hears you better. If they do, I'd get a different case as a case can affect microphone quality. If no difference is apparent, then you'd need to schedule an appointment at your closest Apple Store Genius Bar to have your phone tested by Apple.

When you say new to you phone, can we assume you bought a used iPhone from someone? If yes, you may know why they wanted to sell it.

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Answer 2

Nov 15, 2025 11:28 AM in response to CharlietheTabby

OK. Then it would be recommended to schedule an appointment at your Apple Store Genius Bar and let Apple test your phone --> Genius Bar Reservation and Apple Support Options - Apple

Since the warranty has expired on the phone, if Apple determines there is a hardware issue, it will be up to you if you want to pay for any repairs.

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Answer 3

Nov 15, 2025 11:12 AM in response to lobsterghost1

Thank you for your reply, "lobsterghost1".

I do, indeed, use a protective case and have, to test, removed the cover - it made no difference! 😢

I understand where you are coming from with your final question, but it has been passed down by a family member who has upgraded to an iPhone 17 Pro.

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How to check iPhone microphones for call quality

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