How do I get rid of a blue vertical line on the iPhone 6 Plus?

[iMore Question]

blue vertical line on iphone 6 plus

blue vertical line on iphone 6 plus moving from left to right, up & down. also it does not open. it just blinks & fade.

 

[Bigeric23]

Re: blue vertical line on iphone 6 plus

Have you tried restarting your device.