i need a UMDDumper Download so i can backup my game as an iso. is there a version for 2.71SE-B? if there is thanks. if there's one for 1.50 you can give me a link for those. THANKS

I don't know if there are any for 2.71 SE, the following are for 1.50 (might work on 2.71 SE I don't know):
New UMD Dumper v0.2 - http://www.megaupload.com/?d=7W1L8BT9
EDIT: Better link for New UMD Dumper v0.2 (no waiting): http://www.psp-hacks.com/file/38
UMD DAX Dumper Beta 0.2 - http://www.psp-hacks.com/file/540

just when using these make sure they are in the correct game folder. ie game150 if the settings are stock, or game if it is set to the 1.50 kernel

Good luck