Yellow Dot while playing videos

[AJ11111]

While watching YouTube videos I'm seeing Yello Dot on top right corner of phone. I hav highlighted it

Pl let me know which issue it is display or other & course of action? 

[sid989]

I think it's a dead pixel, you can visit the service center and get the display changed

[savage_arpit]

If it's a screen defect then it will not be captured through screenshot.
I think its a bug.

[savage_arpit]

Uninstall the updates of youtube and reinstall it so that this bug can be removed.

[ムBHINムV]

Software issue
Restart handset
Issue will resolve

[cs-member13]

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