iPhone screen doesn't dim after answering call

[Jessaw1981]

We have Verizon just got two iPhone 4s ( they were free). Anyway she got a call today and the screen won't darken. Called Apple they want to replace it. Well fix it. My thing is her phone is white. We have griffin cases on them I took her case off it works fine. I thought it may have been the color if the case reflecting on the phone or some weird crap tried mine on it same thing won't work? Any ideas?


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[showguy]

The case may be causing the sensor to fail. Rare but possible. You may want to try a hard restart and put it back in the case and try again.

 

[parmacrafter]

Take the case off. Get a black permanent marker and color in the frames around the front top lens. I have an older otterbox that did the same thing. I colored the frame surrounding the light sensor lens and problem was solved.

 

[Jessaw1981]

Thanks so much!


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[parmacrafter]

You are so welcome. I had that problem and was beyond frustrated. Thanks to these forums I found the solution. Glad to share.