Spam update

Hello to all experts,

I am running on 4.7ee with oracle database, I have done a clean installation and now I want to update my Spam which is currently at 620/09 version 620 is the kernel, as I have downloaded new vesion of spam and trying to update it loading from frontend as well from application layer but when i am doing that its giving me a message SPAM/SAINT Update KD62009 has already been imported sucessfully. Please help.