"Internal ear speaker not working after screen replacement"に関する回答mine does the same. i replaces my screen and switched everything over to the new screen. when i powered my phone up the ear speaker the speaker phone speaker, the front camera and the home button doesn’t work. i used the original home button also. a few months later i cracked the screen and this time ordered a pre assembled screen with everything ready to snap back in besides the home button. i switched the original button to the new screw screen and i still have the same problem??! what did i do wrong!