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When I place or receive a call I do not hear anything. When I put it on Speaker mode it works fine. Can anyone help me figure out what is wrong please?
Try resetting your iphone by pressing and holding both your home and power button for about 10 to 15 secs till the apple logo appears :)
Try resetting your iphone by pressing and holding both your home and power button for about 10 to 15 secs till the apple logo appears :)

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