S21FE white line on display problem

[arunkk]

My s21fe sudden have white line on display 

[bold]

There is nothing to worry about. Brother, go to the service center. They will replace the screen there for free.
Samsung has officially offered screen replacement for s21fe.
If you are satisfied with my answer then please click on 3 dots above this answer and mark it as solution.

[itzmerik]

What the hell mate! Same things happened to me today morning.

[cs_member10]

Dear Samsung Member,

Greetings from Samsung Customer Support!

As per your query, we would request you to kindly perform the following steps to resolve your issue.

Kindly restart your device once: To power off through Quick settings, swipe down from the top of the screen. Tap the Power icon in the upper right of the screen (next to the Settings icon), and then tap Power off.

Update the software if available: https://www.samsung.com/in/support/mobile-devices/samsung-galaxy-smartphone-how-to-update-software/

Reset your device: https://www.samsung.com/in/support/mobile-devices/samsung-galaxy-mobile-how-to-perform-a-factory-res...

If the issue still occurs, please visit the service centre for a physical inspection of your device. You can locate your nearest service centre with this given link: https://www.samsung.com/in/support/service-center/

Warm Regards,
Samsung Customer Support

[goodthings]

Kindly complaint to Samsung customer support through Samsung Members App as error report also send log files Along with this error report for this issue. Then go to service center for replace/repair it's. Meanwhile use 60Hz.refresh rate of display. If you like please accept as a solution it's help to others users also, click on 3dots in my reply section and click on accept solution. Thanks.

[goodthings]

Your's most welcome to here.