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Knocking sound on iPhone calls

Why do you I hear a knocking on wood type of sound when I am on the phone with other iPhone users? Does anyone else have this problem? It is very annoying I tried iPhone reset and carrier and hardware and no luck


[Re-Titled by Moderator]

iPhone 13 Pro

Posted on Apr 3, 2023 12:15 PM

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Posted on May 13, 2023 7:02 AM

About a month since I switched to T-Mobile. I have an iPhone 12 Pro Max. It sounds like someone is knocking or lightly hammering something (tap, tap,tap, tap). It stops when someone talks, but if there’s any silence it happens consistently.

206 replies

Jan 20, 2024 5:22 PM in response to Techquestions_333

It just started happening to me. It sounds like knocking or a dryer. I have the 12 Pro, but have had it for a year with T-Mobile. Also, having a problem with my texts.. i sent a text this morning and then called the person because it was showing it didnt go through. They said they had actually received it. Then someone sent me a text on Monday, if showed up tonight when she sent the evite text again. How do i fix the knocking. Very annoying!!!!!

May 10, 2023 12:11 AM in response to TailoredTechie9

How long have you been experiencing this problem? When I had Verizon I did not have this issue and when I switched to t movile I been having it be an issue for 9 months. Any luck from anyone else? Is it still happening for you? What’s your next step if it doesn’t go away? How long have you been dealing with it and how often?

May 25, 2023 9:35 PM in response to Techquestions_333

Thank you all who have commented their experience and continue to comment. For those experiencing it gives us all a sense that we are not alone in the battle.


Seems like we all have tried to go to our carriers and had no luck and by carriers I mean T Mobile. I think I am going to switch to Verizon if the noise continues to be there. Have no idea why that would be the case for us.


For those of you that have this issue and have not commented please share your experience so we can gather enough users experiencing this to show t mobile something needs to be done.

Knocking sound on iPhone calls

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