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Why my phone is getting Black screen during calls?

my phone have encountered persistent problems with screen going black whenever i make or receive a call in my Windows Phone 8 device. This makes it unresponsive, so it’s difficult to cancel or end the call can anybody tell how to resolve it.

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1 Answer

Your screen is supposed to go black when you hold your phone to your ear, it does this using a proximity sensor. However, if your phone goes black as soon as you make a call and stays black the whole time this would indicate that the proximity sensor in your phone is malfunctioning and requires replacing. I can't offer any guide on how to replace this without knowing the manufacturer and model of your windows phone.

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