After update my s22plus phone....i got two lines..pink and green.....then i visited near Samsung service centre.....they are refusing to provide free display repair......then i continuously call to customer service.....i mail them....but they are ref...

Recently i have updated my s22plus phone and after update two lines pink and green appears on my device.Then i visited near Samsung centre service..they refused to repair it for free...they asked for 12k for display repair....why is Samsung service p...