Looking for help to fix bluetooth problems with my head unit x920bt.

this is the problem i can connect my android phone to the stereo but when i make a phone call theres no audio on the speakers.the same goes for the bluetooth audio on the unit i can see the song info and playtime but no audio on speakers.

tried different bluetooth firmware and maps 2012,2013,2017 and still same issue anyone know a way to fix this problem?or the stereo is dead?