Hi, My psp fw is currently 3.40 OEA and i want to update to 3.52 m33-4!!! But i know that i have to update to 3.50 then downgrade again to 1.50 then finial upgrade to 3.52 m33-4!!! the problem that i am having is that i cant upgrade from 3.40 oea to 3.50!!! i put the required files in the required folders (the 3.50 upgrade in the 'UPDATE' folder) put that error thing comes up!!! Please Help !!! Thanks!!!