Proximity sensor does not

I own a motorola defy... a few days ago, my proximity sensor no longer works... let explain me the situation:

every time I have place a call, the screen empties automatically until I place it on my ear and I have to use the power button to turn it on, and once I do it stays on even if I place it on my ear so I have to press the power button to turn off the screen when the call... again I thought it might be because of problems with proximity sensor , so I downloaded Android market app sensor. In the application reading proximity sensor is stuck to 1.2 in. and does not update even if I place my finger on it. My phone still under warranty should I pick up my phone for Service?

You have a screen protector on it?

I have one on my own and my phone is exactly like yours, but when I remove the screen protector it works perfectly.

It's a problem so if it persists, you should take service.

Tags: Motorola Phones

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