I also got 4 green lines. I following up 3 service center in my city from 2 months but they are saying s21fe display not available. Don't know what to do now. Very pathetic service from samsung

This is very bad policy regarding update after 1 year your mobile got old that they do not care so much they give priority for new mobiles only. This should be happen updates should be released in all upgradable mobiles at a time or 1 or 2 alternate ...