remember multi-factor authentication option not working for B2C directory

Hi,

I am using B2C directroy and have enabled MFA for the SignIn&SignUp policies and i have checked & saved remember multi-factor authentication option on https://account.activedirectory.windowsazure.com/UserManagement/MfaSettings.aspx, i have attached the screen shot but i am still getting MFA redirection screen on every signin.

Can someone help me reagard this?

Thanks