i also have a 905 and debranded and unlocked it this week. wifi still isnt working, im trying to find a solution. i used the generic north america v6 one, works fine but still no wifi, although i can still connect to my router and all that, it just doesnt transmit anything over the wifi network...

also to answer your question, after it says its up to date, when you click download or continue( not sure what the buttons says but its an affirmative basically) it will download an update still.