This is not my discovery.
Thanks to furious_amboy for finding this out. All credits go to him
Please follow direction carefully and ull get urself a SCBD work on slim
cfw for both psp fat and slim is CFW 5.00M33-6 or 5.50 Gen-B
do this in Recovery settings :
Configuration
UMD Mod (currently : Sony NP9660 -NO UMD-)
Use VSHMenu (Currently) : VSHMENU
Use version.txt (Currently) : Enabled
Advanced - Advanced configuration :
Plain modules in UMD/ISO - Disabled
Execute BOOT.BIN in UMD/ISO - Enabled
Next:
On your MMS root, delete MEMSTICK.IND and MSTK_PRO.IND file,if u can't see the file,then go to FOLDER OPTIONS -VIEW and click the SHOW HIDDEN FILES AND FOLDER(REMEMBER to backup this 2 files)
and FINALLY:
start the game,when it says game saves data, just press X, now comes the important part, when it asks for your name, leave it the way it was, press start. Now it asks for saving the game....cancel it by pressing 0....the draw back is that, u can't save game....but atlast you can play it.