If you are not hearing the interlocutor while on phone call. You need to clean mobile call speaker and fix muffled speaker for loud sound. Quickly clean speaker and fix bad sound by playing super sine wave sound and boost your phone speaker sound with fix my speaker tool. With this speaker fixer and speaker dust cleaner tool you can fix ear speaker and loud speaker sound. Speaker dust cleaning App Features: - Automatic process to remove water and dust from phone speakers. - Different sound mode. - Clean main speaker and ear speaker. - Quick and fast cleaning.