Required Reading

Adrenaline is a homebrew application which modifies the official PSP Emulator of the PS Vita (TV) to run a PSP 6.61 custom firmware.

Additionally, adrenaline also enables access to a full PSP home menu running under the official PSP Emulator.

You must have already installed VitaShell to use this.

What You Need

An FTP Client such as WinSCP or CyberDuck
  • Alternatively, you can also use the USB transfer feature of VitaShell
The latest release of Adrenaline
The latest release of PSP Homebrew Browser


Section I - Prep Work

  1.  Launch the VitaShell application
  2. Press (Select) to enable FTP access on your device
  3. Open your FTP client on your computer
  4. Enter the IP Address and Port displayed on your device
  5. Using your FTP client, navigate to ux0: -> data/
  6. Transfer Adrenaline.vpk to the data folder
  7. Transfer PSPhbb_dev.vpk to the data folder
  8. Press (Circle) on your device to close the FTP connection

Section II - Installing VPKs

  1. On your device, navigate to ux0: -> data/ 
  2. Press (Square) on each of the .vpk files to mark them
  3. Press (Triangle) to open the menu, then select “More” -> “Install all” to install the marked files
  4. Press (Cross) to confirm the install
  5. Press (Cross) to continue the install each time you are prompted about extended permissions
  6. Press (Triangle) to open the menu, then select “Delete” to delete the marked files
  7. Press (Cross) to confirm the deletion

Section III - Modifying Plugin Config

1.Press (Circle) to return to ux0:
2.Navigate to tai/
  • If urx:tai doesn’t exist, press (Circle) again and then navigate to ur0:tai
3.Press (Cross) on config.txt to open it in the editor
4.Highlight the *KERNEL line with the cursor
5.Press (Triangle) to open the menu, then select “Insert empty line”
6.Highlight the new blank line
7.Press (Cross) to edit the line
8.Enter the following text:
  • ux0:app/PSPEMUCFW/sce_module/adrenaline_kernel.skprx
9.Press (Circle) to close the editor
10.When prompted, press (Cross) to save your modifications
11.Close the VitaShell application
12.Reboot your device
  • If your device does not have Ensō, you will need to manually launch and exit h-encore to enable homebrew
  • This is required to load the new kernel plugin added to ux0:tai/config.txt

Section IV - Installing PSP XMB

1.Launch the Adrenaline application
2.Press (Cross) to download the PSP 6.61 firmware
  • This process will take some time
  • If the download fails, the downloader will get confused and begin to give you the error Cannot find ux0:/app/PSPEMUCFW/661.PBP
  • If you encounter the above error, use VitaShell to delete the ux0:app/PSPEMUCFW/flash0/ folder, then try again
  • If you still encounter this error, manually download EBOOT.PBP, rename it to 661.PBP, then transfer it to ux0:app/PSPEMUCFW/ using VitaShell
  • The Adrenaline application will close automatically when the download is complete
3.Re-launch the Adrenaline application
4.Press (Cross) to install PSP 6.61 the firmware
5.Press (Cross) to boot the PSP home menu
  • The PSP home menu is also known as the XrossMediaBar (“XMB”)
6.Perform the PSP Initial Setup
7.To close the PSP Emulator, hold the (PS) button to open the menu, then select Settings -> Exit PspEmu Application

Adrenaline and the PSP Homebrew Browser have been successfully installed.

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