Why am I getting black lining when I navigate back suddenly from any of the apps on my One Plus One?

[iMore Question]

one plus mobile black linings when i navigate back suddenly from any of the apps.

getting black lines on the screen when suddenly navigate to back button in middle of videos or messages. please reply me how can i get resolve this issue.

 

[Bigeric23]

Re: one plus mobile black linings when i navigate back suddenly from any of the apps.

What device are you referring to, a OnePlus One?