Calling static problem LG G8xThinQ

[Android Central Question]

Hi,

I have an LG G8x Thin Q. (previously had one with no issues)

When I make a call to anyone, they can hear me perfectly, but whenever THEY try to speak THEY get terrible feedback/crackling/screeching sounds. This happens no matter the app I use for the call or for video call. If I swap to a bluetooth device - such as using my car - the problem ceases. I've tried my simcard in other devices and there are no problems whatsoever, so I can only assume it's my device.

Any ideas what could be causing the issue?

To reiterate - it only happens when the other person talks and the horrible sound is only apparent on their handset. I can hear them fine and they can hear me fine, but when they try to speak the problem occurs.

Thank you

 

[B. Diddy]

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[Mooncatt]

Sounds like some sort of hardware problem, like maybe a short causing the mic and speakers to interfere with each other. My guess is it'll need a shop to repair it, but parts may be hard to come by with LG leaving the phone market. If you have any warranty left, I'd consider cashing in on it.