Do you want to know how to FIX your headphone on PS5 not working and your not getting any sound or MIC audio? This could be simple to fix, try taking a Q tip and cleaning the the headphone jack port out and then take some compressed air and blow out the port. Also, try lightly tapping the port in by using a toothpick. This could help realign the connections and make it work again. Just don't be too rough tapping.