Display with tiny lines...

[Zelwaraj]

My Note9 display becomes dull with tiny horizontal lines after few minutes unlocking. This is getting repeated everytime I lock and unlock it.

I checked bluelight filter, but no use.

What shall I do?

[cs_member10]

Dear Samsung Member,

Greetings from Samsung Customer Support!

Apologies for the delay in response. However, understanding the criticality of the situation; we had to ensure the wellbeing and safety of our employees which led to the delay in response.

Hope your issue is resolved. In case the issue still persists please follow the below mentioned steps, to resolve "display" issue.

1) Check device in Safe Mode:-Press and hold the Power key, when Power off icon appears>Press and hold the power off icon.
To exit safe mode: Restart your device.
2) Reset the device and before resetting the device make sure to create data backup of your device via SMART switch mobile application or http://www.samsung.com/in/support/smartswitch pc suite.
Settings>General Management>Reset.

If the issue still persist, kindly register your concern in Samsung Members app (Samsung Members app > Get help > Feedback > Error report/ask question).
Note: Please send device log files within 15 minutes of issue occurrence along with the exact issue details.

Thank you for writing to Samsung.

Warm Regards,
Samsung Customer Support