Why does my Nokia Lumia 610 go black while answering a call or receiving one?

[Lanu Chamir]

How to solve

I have a problem with my Phone Nokia Lumia 610 screen goes black while answering the call or recieving. How can i solve this problem.

 

[TechFreak1]

Re: How to solve

Check if you have any dust on your proximity sensor, if so try cleaning it and if that doesn't help.

You may have dust inside the phone or it could be a number of things.