: Get the ISO, CSO, or CHD file from a trusted source.
, here is everything you need to know to get back into the field. Why Go for a Compressed ISO? Standard PSP ISOs can be bulky, often ranging from 200MB to over 800MB . Highly compressed versions (often in .CSO format ) use tools like YACC (Yet Another Cso Compressor) Socom Fireteam Bravo 3 Psp Iso Highly Compressed