The zip file provided has all the camera files in it. You can choose whichever camera you wish to use in your game settings.
If you face a black screen error after opening the ISO file, you can fix the error by changing the language in the settings. Follow the following Steps to fix it:
Press and hold the eFootball icon, and it will pop the game menu in the right corner.
Select Settings, and go to the System Tab.
Open the Language Option and choose ‘Espanol(America Latino)‘
That’s it, close the settings and enjoy the eFootball PSP.