iPhone 4 turns to speaker by itself when make calling
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This is iphone 4 , had a broken screen before and just put a new one on.
The signal is ok, I can receive message, go internet.
But when I make a call, it turns to speaker by itself.
And there is no sound: I cant hear people, people cant hear me as well. Both sides have no voice.
headphone no sounds, speaker no sounds, earpiece no sounds.
I tested skype and tryed to make a call by it,
and it works.