OnePlus 3T 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 OnePlus 3T, 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 - 45 minutes including testing time.
