Be carefull to put the mute button in the same position as its interruptor (located in the ribbon cable), in order these parts assemble together neatly.
By the way, my mute button is a little short (non Apple genuine part ??) and do not exit correctly through the hole of the back of my 3GS: it is difficult to move the mute button up and down :(
Pay attention to place the two little golden pins of the earpiece unit pointing toward the home button (and not as shown on the picture), in order for the pins to touch the ribbon cable contacts inside the ear speaker cover assembly.
Quando isso acontecer, você poderá ver um gráfico da reputação que ele adquiriu ao longo do tempo.
Aqui está uma prévia de como será o gráfico:
Nenhuma reputação adquirida ainda.