google gend 3 final
extract and copy to the root(any white part) of memory card
it will overwrite what it needs to.
now go to card on psp and run gen3
u should now get a menu to goto gend 3,but dont choose that for now.
scroll down and u will see option to make xgen pandora..
now pop pandora battery out
hold left trigger and insert pandora
u should now get menu to go straight to gend3 instead of m33.
go ahead and flash it.once done drop 5.50_Prometheus4
into psp/game folder and run from psp.
now format card or a different one if u wantto keep this one.
once done it makes all the folders for you.
put games (ISO OR CSO) into the ISO folder then goto card on psp and play.