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The Samsung Galaxy M31 is an Android smartphone which was released in march 2020. Model: SM-M315F/DSN

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While speaking in the microphone receiver gets the feeble tone.

While speaking to someone in the microphone, receiver receives a feeble tone frequently. The same in the speaker is working

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Hi @abimurali

Have you got call waiting enabled on your phone service?

It may be that the tone you hear when talking on the phone is being sent by your mobile phone service provider, indicating that there's another caller trying to ring you

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abi murali crwdns2934231:0crwdne2934231:0
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