Why does my Samsung S3 screen go blank?

[Windows Central Question]

why is my samsung s3 screen goes blank?

i replaced my s3 screen recently and when i make normal call or call through viber or whatsapp it goes blank and i cannot end calls... why is it so?there is no dust or anythink but still goes blank..

 

[Laura Knotek]

Re: why is my samsung s3 screen goes blank?

We're really familiar with all things related to Microsoft products here at WindowsCentral but not so familiar with Android. However, we have a sister site AndroidCentral with many friendly and helpful Android experts.

Please check out AndroidCentral and ask them your question. http://forums.androidcentral.com/ask-question/

Sent from my Moto X using Tapatalk

 

[xandros9]

However, that points to an issue with the proximity sensor, which Windows Phones do also have. Make sure you didn't leave any plastic covers in, that its lined up, and that it has the proper holes on top.
But for more specific stuff, yes, Android Central is better equipped.