The game, published by THQ in late 2011, was the first in the series to be developed exclusively for seventh-generation home consoles, including the PlayStation 3, Xbox 360, and Wii. Why Isn't There an Official PSP Version?
Since WWE '12 is not officially available, you may want to look for these official ISOs, which were the peak of the series on the handheld: wwe 12 psp iso file download link
If you're still interested in downloading the WWE 12 PSP ISO file, you can try searching on reputable gaming forums or websites that specialize in PSP game downloads. Some popular options include: The game, published by THQ in late 2011,
WWE 12 PSP ISO File Download Link