Microfone on Bluetooth headsets do not work with EMUI 9 and 10. Why?

[Android Central Question]

I tested few Bluetooth headsets talking in Huawei P20 lite , emui 9, and Huawei mate 20 pro, emui 10. When I moved away ,3m, from the phones, people do not hear anymore. I made tests with sound recorder apps and when I put the phones under pillows, my voice gone. Why? Settings? Bug?

 

[B. Diddy]

Welcome to Android Central! Do these BT headsets work normally on other phones for calls? Can you test them on a non-Huawei phone?

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