Samsung Galaxy S8 Plus Replacement Ear Piece
Having trouble understanding who is on the other end of your call? Dust, water and other debris can quite easily impair the performance of the ear speaker of the Samsung S8 Plus, which means that the earpiece definitely needs repairing.
When this happens it is best to invest in a new ear speaker. The dis- and re-assemble process will take around 30 minutes including testing time.