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Adrenaline is an extremely useful piece of software which lets you run PS1 and PSP games and homebrew from your memory card.


  1. Download the latest release of Adrenaline
  2. Download the latest release of PSP Homebrew Browser
  3. Install both files using a file manager such as VitaShell or MolecularShell
  4. Open the Adrenaline application from the home menu
  5. Press X to download the PSP 6.61 firmware
    • Adrenaline will automatically close
  6. Open Adrenaline again and press X to install the firmware
  7. Press X to boot the PSP XMB
  8. Once you've set up the Vita, hold the PS button and select Settings > Exit PspEmu Application
  9. Open up VitaShell or MolecularShell and navigate to ur0:tai
  10. Open up config.txt and make the following changes
  11. *KERNEL
  12. Reboot

You now have a working PSP XMB on your Vita! You can play games by putting the ISOs into the ux0:pspemu/ISO directory, and install homebrew by putting it into the ux0:pspemu/GAME directory.