To disable Edge Lighting, go to Settings > Notifications > Notification pop-up style > Edge lighting style > None. This will turn off Edge Lighting on your Samsung Galaxy device.
https://www.samsung.com/in/support/spare-part-pricing-list-for-repair/?srsltid=AfmBOorVsORngUTL-ABV6ywqWOkV_6sbJ9vmBtcl8pCsTfouFWxm__k5****Not mentioned reach out to service center
