Good day
We have the same problem on our phones after the Android 7 upgrade.
Sound is very soft for people when you call them.
Is it a software problem or hardware?

Good day I have a BV6000 that works well and I have connected it to my car. The system shows incoming calls with user ID and it rings, but once answered there is no audio. The vehicle works well with other android phones. (it is not a volume setting as the audit is clear with another phone. What I a...