PSP/Remove GEN Version Protect

  1. Open VSH menu by clicking on the Select button from xmb(main psp menu)
  2. Change USB device to Flash0
  3. Connect your psp to pc
  4. Navigate to \vsh\etc\
  5. Open version.txt using notepad or wordpad
  6. In the first line change the 9.90 to 5.50 and save.
  7. Disconnect your psp from the pc and change the USB device back to Memory stick in vsh menu