I am sorry but I am not sure what position you are in 
, When you mention February update it makes me think you are talking about this OS OTA Upgrade of S9 / S9+?
This image is of the Recovery mode TWRP. Is this similar to what you see?
In TWRP when you are asked for a password and you know that no password is involved, you should press cancel to move on.
If you want to get out of there (but I do not know if you have a half finished upgrade, so I cannot tell if this is a good idea) you could move to Reboot > then System … but please ask again, I might be way out in my assumptions.