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This instructable will teach you how to compress an .iso file to a .cso file. Using .cso files saves space on your PSP. This can only be done ...
To obtain a rip the umd of the game you own and then archive it as a .iso. I suggest using Active ISO File Manager 2. This can ...
PSP ISO Compresser v1.4 can be downloaded for free at http://www.psp-hacks.com/file/900
Select 'Compress ISO->CSO' on PSP ISO Compresser v1.4. Now input the location of your .iso and press compress.
Just place the .cso into your ISO folder in your PSP. Now go to the game selection on your PSP and play it.Cheers.
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