Psp version 3.90 m33- 2 games question?

Did you put it to "No UMD Required" in the Recovery menu To go to recovery menu turn off ur psp all the way turn it on and hold R..When u r in the recovery menu go to configuration after that go down to where it says UMD Mode ..Click on that until it says M33 Driver -No Umd- then exit and thats it