Should you use this pack today? Modern CFWs (6.61 ARK-4 or PRO-C2) offer better compatibility and plugin support. However, if you are a retro purist who wants the authentic 2009 "M33 menu" nostalgia, this pack is unmatched.
youtube.com/watch?v=xkaV7dYxAHc">transfer ISO/CSO files to a memory stick? How To Convert ISO Files To CSO For PSP! PSP MEGA-PACK -184 ISO-CSO 73 -Minis-- -5.00m33-6-l UPD
This indicates that the file is a large archive containing multiple items. "Mega-packs" were popular in the torrenting and homebrew communities as a way to download an entire library of games at once rather than searching for them individually. Should you use this pack today
typically found on archival or file-sharing sites. Here is an article breaking down what this "Mega-Pack" actually contains and how to use it. Understanding the PSP MEGA-PACK: 184 ISO/CSO & 73 Minis youtube