The screen does not appear when you receive a call

[Rk85]

The screen does not appear when you receive a call
Hi my phone when a call comes to the screen black screen does not open the lock screen by pressing the lock and open the screen or call to answer

What's the problem

Could you help.

Arama geldiğinde ekran görünmüyor

Merhaba telefonum a arama geldiği zaman ekran kapkara görüntü açılmıyor kilitleme tusuna basarak ekranı açiyorum ve çağrı ya girerek aramaya Cevap veriyorum

Sorun nedir acaba 

Yardımcı olurmusunuz. 

[Uliwooly]

@Rk85 

I've edited your post as this is an English only forum, you can use Google Translate to reply and/or post.

Does your phone has a protective case, film and/or glass?