Again s 20 plus Green line issue please givean software update and fixed it

I am using S20 plus since 2020(Out of warrenty).But yesterday I saw that a green line visible of my screen. So suddenly I called CS and going to service center.Today they called me your screen and battery replacement is done free of cost as per samsu...

I am using s20 plus.After security patch update one green line visible here.No physical damge one the screen.Please solve the prblem next update.

I am using Samsung S20plus.Somtimes screen lights are flashing itslef.Its laging pls fix it to mext update.Its started from Yesterday