Geohot hacked the ps3 again he created a MFW He said that he can play homebrew on 4.00+
http://youtu.be/9iUvuaChDEg
Here is a link for the proofAtlast i have ecrypted lvl0 so playing Homebrew is now possible on 4.XX
http://youtu.be/9iUvuaChDEg