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The string "PSP MEGA-PACK -184 ISO-CSO 73 -Minis-- -5.00m33-6-l UPD" refers to a comprehensive digital collection for the Sony PlayStation Portable (PSP) PSP MEGA-PACK -184 ISO-CSO 73 -Minis-- -5.00m33-6-l UPD
While newer firmwares like 6.60 or 6.61 PRO-C exist today, many collectors stick to 5.00 M33-6 because: High Compatibility : The string "PSP MEGA-PACK -184 ISO-CSO 73 -Minis-- -5