PS3 user cheat official site just released the news that the PS3 user cheat which they have already sent are available for PS3 slim console, because they put the originally firmware which only works on slim console, it is born with PS3 slim firmware.
what if your pS3 is fat version,that is ok, just update it to fat firmware and then use it , you can download it from here: PS3 user cheat firmware for fat firmware.
After you download , here is the method to update
How to update PS3 usercheat for FAT console?
step 1: download the update file(Extraction file "update.bin", don't change the file name).
step 2: insert CHT dongle into the computer, can show that a removable disk drive.
step 3: copy update.bin to the root of a removable disk drive.
step 4: Safely Remove removable disk.
step 5: insert CHT dongle into the computer again. After a few second, it is complete and update.bin file will go away automatically. Now it can work correctly for FAT console.
How to go back for PS3 slim version ?
After you update it to fat firmware, you also can return to slim firmware at any time you want. here is the address for you to download PS3 user cheat firmware for slim And the method is the same as above.
Source: official site