Today , I faced similar problem with my Samsung galaxy ultra . I called customer care and they asked me to visit the service center . The Service center representative told me that they have only provision to replace the screen if blue vertical lines...

Don't loose your customers , we have invested our hard earned money and suffering with no fault of our own 

Agree

Today , I faced similar problem with my Samsung galaxy ultra . I called customer care and they asked me to visit the service center . The Service center representative told me that they have only provision to replace the screen if blue vertical lines...

I have similar experience , green line in my S20 plus after software update, lost faith in Samsung