Green line on display

[Tonyzz]

suddenly a green line on my note 20 ultra.. don't know what happened.. thi is after one ui 5.1 updation 

[cs-member11]

Dear Samsung Member,

Greetings from Samsung Customer Support!

We acknowledge your query and apologize for the same. We request you to kindly visit the service center for a physical inspection of your device. You can locate your nearest service center with this given link: https://www.samsung.com/in/support/service-center/

Thank you for writing to Samsung.

Warm Regards,
Samsung Customer Support