In my case I went from 3.55 to 4.05 so games should still work. It was just when I upgrade the HDD that the purchases came back locked.
Currently there is no way to do that. Even if it is possible, you might get banned.Is there a way to login to PSN without updating past 4.05?
I don't think that is true. Every game has been signed for a specific firmware and you simply cannot run those games unless you are on a greater or equal firmware. Also, if there is any breakthrough, it will be available on the frontpage.Also is it true that the PSN games do not have a fw requirement like some of the games?