Poor quality of the sound recordings of phone calls of X7

The quality of the sound recording of each phone call of X7 is poor.

Poor quality of the sound recordings of phone calls of X7

The quality of the sound recording of each phone call of X7 is poor. Even if I can listen each phone call clearly on live, there is rumbling sound in each recording, so I cannot listen the playback clearly.

Comments

  • After being upgraded to Android 9.0, the phone can record phone calls in good quality.
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