Nokia 1202 ear speaker problem solution

Earpiece is important for all mobile phones when the speaker hearing damage speaker does not work or the sound of his weak or bad. Now, I put it here nokia 1202 speaker solution How to make this work: There is a red mark ic type ic.This switch ic just connect the speaker ear and strong phone call speaker.When with its normal mode after work when he heard that in the active mode of the high voice speaker then working. So when the speaker of the ear does not work, replace this ic.