Samsung Galaxy SIII I9300 no earpiece and no buzzer solution

I9300 NO EARPIECE & NO BUZZER
1. CHECK KO MUNA UNIT WALA NGA TALAGA
2. CHANGE BUZZER AND EARPIECE GANUN PARIN
3. CHECK KO ULIT KUNG NABASA BA ! MAY NAKITA AKONG LEAK
DI NA AKO NAGISIP PA NILINIS AT REHEAT NG KUNTI

AFTER THAT TEST AYUN SAPOL !!! DONE!!!