About downgrading or upgrading your PSP

About downgrading or upgrading your PSP. I if you have version 2.x, you have to have directions that go from your 2.x to the version that you want to go to. And if you upgrade your PSP to version 3.51, you can play any downloaded games and run any applications. Get ready (Reformat PSP memory stick) \n" ), "\nBefore you get started with the downgrade, you need to reformat your PSP memory stick. Then run your unpatched version of GTA:LCS and the patch will apply itself. It will be stored in RAM and will stay there until you reset your PSP. I can downgrade ANY version including the latest 3.80. This is a rar file that contains all the files needed +detailed info to downgrade you PSP to version to 1.50 and then to upgrade to the Custom Open Edition v3.10OE-A’. PSP downgrade fimrware is essential.