I have a 3004 psp model : 04g , Custom Firmware : 6.20 PRO-B4 ... and i have problem in playing some ps1 games like jackie chan stuntmaster and skullmonkeys ... I know that my problem will be solved by installing popsloader ... but i checked this link : http://wololo.net/talk/viewtopic.php?f=17&t=7410 and i really couldn't get it working ... can any body guide me step by step how to get it working?