rename the rogero 999 downgrader to "PS3UPDAT.PUP"
then on the root of a thumb drive, make a folder called "PS3"
then inside the "PS3" folder make another folder called "UPDATE"
then just drag and drop the "PS3UPDAT.PUP" into the "UPDATE" folder
when you have it all done, your thumb drive should be set up like this:
PS3/UPDATE/PS3UPDAT.PUP (be sure to use all capital letters when making the directories)
you will install it using option 6 in recovery, after the thumb drive is prepared ofcourse
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