
A PSP running custom firmware, see this tutorial to run custom firmware on any PSP.You can then copy the game back to your PSP and play it directly from the memory card, this is useful as you can easily carry many games around on your PSP, it will also help to improve battery life as the PSP does not need to power the UMD drive.
#How to change umd iso mode to m33 driver Pc
Once on your PC you can rip any useless files out the backed up game (such as system updates, other languages) then compress the image so it's as small as possible. If you have a PSP running custom firmware you can easily backup your games that are on a UMD disc to your PC.
