S8 mirracast to smart tv how to change the audio source back to s8 device.

[Correeey]

Smart view / smartthings / allshare / quick connect / Samsung connect. a whole list of 100s of apps trying to redirect the audio from the tv back to my phone. I tried everything. I've tried to search and search for answers nothing.
I would really appreciate if someone could help.

Samsung mirracast fo smart tv
Tv plays the audio and there is no option or settings to redirect it back.