Unbrick Your PSP

• 1). Turn off the PSP.
  
  
• 2). Remove the battery from the PSP.
  
  
• 3). Insert the Pandora's Battery in place of the original battery.
  
  
• 4). Insert the Magic Memory Stick into the memory card slot.
  
  
• 5). Turn on the PSP. It will be displaying in service mode.
  
  
• 6). Press the PSP's X button twice to downgrade the system to its initial firmware.
  
  
• 7). Press the X button a final time after the system has finished updating to shut it off.
  
  
• 8). Remove the Pandora's Battery and Magic Memory Stick from your PSP, and place the old battery back in. Your PSP should now function properly.