Phone Display Issue After Update

[remofilwe-matebesi]

I updated my phone then after it shows lines on the screen I don't know what to do 

[remofilwe-matebesi]

Please help me. I'm really disparate

[GreenLuxury]

Claim warranty on your phone or get a screen replacement, it's common(with flagships) but I don't know what causes it

[The-Kid-Deė]

You are not the only one, some people experience such too mostly Flagships.

[remofilwe-matebesi]

What do I do cause the phone is still new