Why is Huawei Y9 2019 have a problem of turningscreen blank

[Android Central Question]

Whenever I cover the top part it turns to black and it will never work

 

[belodion]

Something to do with the proximity sensor, presumably. Try Safe Mode, to test whether a rogue app is causing the trouble. If the problem persists, there may be a hardware fault, but before considering repair, it may be worth considering a factory reset. https://forums.androidcentral.com/ask-question/409154-join-android-central-community.html

 

[mustang7757]

Agree sounds like your proximity sensor

 

[B. Diddy]

Welcome to Android Central! What do you mean "and it will never work"? Do you mean the screen doesn't come back on? Is this during a phone call, or when you're just using other apps?