hello, I have the new bv9000 pro, all works fine except the microphone during the calls, the others doesn't hear me, my voice volume is really low.. I have read something about the engineering menu but I don't know what to change in order to solve this issues, the firmware is the last available. please let me know if you can help me.

Hi there!

Follow this link and your issue will be solved!
viewtopic.php?f=212&t=348808