1. download 'chicken file for slim' and firmware enabler 3.70 from ''www.pspslimhacks.com''
2. connect psp to a computer via usb open the memory stick. open the psp folder..
3. create photo folder in psp folder.
4. place the chicken file in the pspfolder in the memorystick
5. looks like this ms/psp/photo/chicken
6. place the firmware enabler 3.70 in ms/psp/game folder.
7. disconnect psp from computer.
8. now in psp open pictures inthis u will see a chicken folder open this file the screen of psp flickers and starts with the sony logo.
9. now goto game open 3.70 enabler..
10 . you have hacked ur psp successfully...........
11. enjoy the game through memory stick