Things You'll Need
Instructions
Remove the battery from the back of the PSP. Insert the magic memory stick into the PSP's memory card reader.
Insert the service tool into the battery compartment. The tool should fit perfectly because it is the same size as a normal PSP battery. Turn on the PSP. The service screen is presented.
Press the "X" button on the PSP game controller to start the unbricking process. This process takes about five minutes to complete. Set the PSP down. Wait for the "Complete" screen to come up.
Press the "X" button to shut off the PSP. Remove the service tool and insert the default PSP battery. Turn on the PSP. The PSP welcome screen comes up. The PSP is unbricked.