Why does the screen go black when there's an incoming call on the Huawei Honor Holly?

Hi,
I have a problem with my phone for incoming call. the problem is whenever I got incoming call my display Black screen. it not automatically open
Thanks.




The screen goes black so you can avoid accidentally ending the call or touching the screen. Suresh is right, press the power button to turn on the screen.


There is a option, Press the side power button & see !! Your caller view will display there !!



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