There is no Quarterly Security Updates for A51

[MrDragone]

What's the meaning of Biannual?

Samsung doing worse things with their customers. 

I'm very disappointed as a A51 user. 

Official link of Article :- https://security.samsungmobile.com/workScope.smsb

[secretmanraj]

2 security updates in each year

[RanitKhan]

You noticed this very late....it happend back in February itself...