How Do You Downgrade A PSP Slim?
The PSP Slim is a popular portable video game console. PSP enthusiasts have found ways to modify the way the PSP Slim works so that it can use programs not designed or approved of by Sony. The process of downgrading the firmware of the PSP Slim requires modifications to its operating system. This is done more easily on the Slim than on any other PSP model. The PSP Slim can also be returned to its original state after a downgrade. Download MPH Downgrader and Firmware 1.50 to the Windows-based computer. Connect the PSP Slim to the computer’s USB port using the USB connector. Transfer the two programs to the main folder of the PSP Slim. Disconnect the PSP Slim from the computer’s USB hub when the transfer is complete. Turn on the PSP Slim. Go to the Settings/USB Connection in the Home menu and select the EBOOT.PBP file in the PSP\GAME\UPDATE update folder. Extract the MPH Downgrader zip file to the root folder of the PSP. Click OK using the X button if you are prompted that this will repl