【實用娛樂app】SoundTester|最夯免費app-綠色工廠好玩App

Using this application you can test if your phone speaker is working properly. By pressing a button you shoudl be able to hear a sound, if you can`t hear sound after pressing a button make shure your phone is not on silent mode or got plugged headphones (in this situation sound will be played on headphones).