What is the difference between 3.71 m33 And 3.71 m33-4

PSP Firmware Hacks

What is the difference between 3.71 m33 And 3.71 m33-4

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flyboys3 03-22-2008, 7:58 PM
I just got a psp with firmware 3.71 m33 and I want to run ps1 games on it. Is this firmware capable of doing this. I have seen stuff about 3.71 m33-4 And do not know what the -4 is? Will it work without it? if not how do i get it. I have searched post but come up with nothing. Can someone please help ! it sucks to be a noob!!!! But one day I wont be with a little guideance